122211221220110 has 64 divisors (see below), whose sum is σ = 244303477272000. Its totient is φ = 43646205926400.

The previous prime is 122211221220097. The next prime is 122211221220149. The reversal of 122211221220110 is 11022122112221.

It is a super-2 number, since 2×122211221220110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40431461 + ... + 43348880.

It is an arithmetic number, because the mean of its divisors is an integer number (3817241832375).

Almost surely, 2^{122211221220110} is an apocalyptic number.

122211221220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122211221220110 is a deficient number, since it is larger than the sum of its proper divisors (122092256051890).

122211221220110 is a wasteful number, since it uses less digits than its factorization.

122211221220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83780597.

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

Adding to 122211221220110 its reverse (11022122112221), we get a palindrome (133233343332331).

The spelling of 122211221220110 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, one hundred ten".