122201121210 has 32 divisors (see below), whose sum is σ = 335180218752. Its totient is φ = 27931684800.

The previous prime is 122201121193. The next prime is 122201121227. The reversal of 122201121210 is 12121102221.

It is an interprime number because it is at equal distance from previous prime (122201121193) and next prime (122201121227).

It is a super-2 number, since 2×122201121210² (a number of 23 digits) contains 22 as substring.

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 122201121210.

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, 290954841 + ... + 290955260.

It is an arithmetic number, because the mean of its divisors is an integer number (10474381836).

Almost surely, 2^122201121210 is an apocalyptic number.

122201121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122201121210 is an abundant number, since it is smaller than the sum of its proper divisors (212979097542).

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

122201121210 is a wasteful number, since it uses less digits than its factorization.

122201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581910118.

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

Adding to 122201121210 its reverse (12121102221), we get a palindrome (134322223431).

The spelling of 122201121210 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".