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121033100210 = 251117151428633
BaseRepresentation
bin111000010111000100…
…0101000101110110010
3102120102000010112120012
41300232020220232302
53440333433201320
6131333555214522
711513212243241
oct1605610505662
9376360115505
10121033100210
114736a036650
121b5598a7442
13b54b243679
145c0262c958
153235a244c5
hex1c2e228bb2

121033100210 has 64 divisors (see below), whose sum is σ = 253312406784. Its totient is φ = 41148672000.

The previous prime is 121033100207. The next prime is 121033100213. The reversal of 121033100210 is 12001330121.

It is an interprime number because it is at equal distance from previous prime (121033100207) and next prime (121033100213).

It is a super-2 number, since 2×1210331002102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121033100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68054 + ... + 496686.

It is an arithmetic number, because the mean of its divisors is an integer number (3958006356).

Almost surely, 2121033100210 is an apocalyptic number.

121033100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121033100210 is an abundant number, since it is smaller than the sum of its proper divisors (132279306574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121033100210 is a wasteful number, since it uses less digits than its factorization.

121033100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428819.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121033100210 its reverse (12001330121), we get a palindrome (133034430331).

The spelling of 121033100210 in words is "one hundred twenty-one billion, thirty-three million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 151 170 187 302 374 755 935 1510 1661 1870 2567 3322 5134 8305 12835 16610 25670 28237 56474 141185 282370 428633 857266 2143165 4286330 4714963 7286761 9429926 14573522 23574815 36433805 47149630 64723583 72867610 80154371 129447166 160308742 323617915 400771855 647235830 711959413 801543710 1100300911 1423918826 2200601822 3559797065 5501504555 7119594130 11003009110 12103310021 24206620042 60516550105 121033100210