122112221110111 has 16 divisors (see below), whose sum is σ = 122384627854720. Its totient is φ = 121840148769120.

The previous prime is 122112221110049. The next prime is 122112221110163. The reversal of 122112221110111 is 111011122211221.

It is a cyclic number.

It is not a de Polignac number, because 122112221110111 - 2¹¹ = 122112221108063 is a prime.

It is a super-2 number, since 2×122112221110111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112221110171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9699908005 + ... + 9699920593.

It is an arithmetic number, because the mean of its divisors is an integer number (7649039240920).

Almost surely, 2^{122112221110111} is an apocalyptic number.

122112221110111 is a deficient number, since it is larger than the sum of its proper divisors (272406744609).

122112221110111 is a wasteful number, since it uses less digits than its factorization.

122112221110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122112221110111 its reverse (111011122211221), we get a palindrome (233123343321332).

The spelling of 122112221110111 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred eleven".