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121122010210 = 25171871380803
BaseRepresentation
bin111000011001101101…
…1110011010001100010
3102120122012102122011011
41300303123303101202
53441024213311320
6131350453011134
711515342046125
oct1606333632142
9376565378134
10121122010210
1147405242a93
121b583623aaa
13b5637a3436
145c103743bc
15323d73805a
hex1c336f3462

121122010210 has 32 divisors (see below), whose sum is σ = 230968288512. Its totient is φ = 45574383360.

The previous prime is 121122010201. The next prime is 121122010213. The reversal of 121122010210 is 12010221121.

It is a super-2 number, since 2×1211220102102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121122010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127669 + ... + 508471.

It is an arithmetic number, because the mean of its divisors is an integer number (7217759016).

Almost surely, 2121122010210 is an apocalyptic number.

121122010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122010210 is a deficient number, since it is larger than the sum of its proper divisors (109846278302).

121122010210 is a wasteful number, since it uses less digits than its factorization.

121122010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382698.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121122010210 its reverse (12010221121), we get a palindrome (133132231331).

The spelling of 121122010210 in words is "one hundred twenty-one billion, one hundred twenty-two million, ten thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 1871 3742 9355 18710 31807 63614 159035 318070 380803 761606 1904015 3808030 6473651 12947302 32368255 64736510 712482413 1424964826 3562412065 7124824130 12112201021 24224402042 60561005105 121122010210