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121022122110 = 2356760210011
BaseRepresentation
bin111000010110101111…
…0110000100001111110
3102120101020110210102220
41300231132300201332
53440323130401420
6131332524030210
711513020031151
oct1605536604176
9376336423386
10121022122110
114736391863a
121b556092366
13b548b9b856
145c00db1c98
153234aa6840
hex1c2d7b087e

121022122110 has 32 divisors (see below), whose sum is σ = 294788218752. Its totient is φ = 31790885280.

The previous prime is 121022122061. The next prime is 121022122189. The reversal of 121022122110 is 11221220121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121022122110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30102996 + ... + 30107015.

It is an arithmetic number, because the mean of its divisors is an integer number (9212131836).

Almost surely, 2121022122110 is an apocalyptic number.

121022122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022122110 is an abundant number, since it is smaller than the sum of its proper divisors (173766096642).

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

121022122110 is a wasteful number, since it uses less digits than its factorization.

121022122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60210088.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022122110 its reverse (11221220121), we get a palindrome (132243342231).

The spelling of 121022122110 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 60210011 120420022 180630033 301050055 361260066 602100110 903150165 1806300330 4034070737 8068141474 12102212211 20170353685 24204424422 40340707370 60511061055 121022122110