122211102221210 has 16 divisors (see below), whose sum is σ = 219980465274600. Its totient is φ = 48884333938176.

The previous prime is 122211102221189. The next prime is 122211102221291. The reversal of 122211102221210 is 12122201112221.

It can be written as a sum of positive squares in 4 ways, for example, as 121358358940729 + 852743280481 = 11016277^2 + 923441^2 .

It is a super-2 number, since 2×122211102221210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8484515 + ... + 17787894.

Almost surely, 2^{122211102221210} is an apocalyptic number.

122211102221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211102221210 is a deficient number, since it is larger than the sum of its proper divisors (97769363053390).

122211102221210 is a wasteful number, since it uses less digits than its factorization.

122211102221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26737585.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122211102221210 its reverse (12122201112221), we get a palindrome (134333303333431).

The spelling of 122211102221210 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, two hundred ten".