22120122210111 has 12 divisors (see below), whose sum is σ = 31951328406192. Its totient is φ = 14746729323456.

The previous prime is 22120122210107. The next prime is 22120122210127. The reversal of 22120122210111 is 11101222102122.

22120122210111 is a `hidden beast` number, since 221 + 2 + 0 + 122 + 210 + 111 = 666.

It is not a de Polignac number, because 22120122210111 - 2² = 22120122210107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120122210311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13028670 + ... + 14628276.

It is an arithmetic number, because the mean of its divisors is an integer number (2662610700516).

Almost surely, 2^{22120122210111} is an apocalyptic number.

22120122210111 is a deficient number, since it is larger than the sum of its proper divisors (9831206196081).

22120122210111 is a wasteful number, since it uses less digits than its factorization.

22120122210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136110 (or 3136107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22120122210111 its reverse (11101222102122), we get a palindrome (33221344312233).

The spelling of 22120122210111 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred ten thousand, one hundred eleven".