22120102122111 has 48 divisors (see below), whose sum is σ = 36721420819200. Its totient is φ = 12568862202624.

The previous prime is 22120102122103. The next prime is 22120102122127. The reversal of 22120102122111 is 11122120102122.

22120102122111 is a `hidden beast` number, since 221 + 20 + 1 + 0 + 212 + 211 + 1 = 666.

It is not a de Polignac number, because 22120102122111 - 2³ = 22120102122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120102122511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401084040 + ... + 401139186.

It is an arithmetic number, because the mean of its divisors is an integer number (765029600400).

Almost surely, 2^{22120102122111} is an apocalyptic number.

22120102122111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22120102122111 is a deficient number, since it is larger than the sum of its proper divisors (14601318697089).

22120102122111 is a wasteful number, since it uses less digits than its factorization.

22120102122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90908 (or 90905 counting only the distinct ones).

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

Adding to 22120102122111 its reverse (11122120102122), we get a palindrome (33242222224233).

It can be divided in two parts, 22120102122 and 111, that multiplied together give a palindrome (2455331335542).

The spelling of 22120102122111 in words is "twenty-two trillion, one hundred twenty billion, one hundred two million, one hundred twenty-two thousand, one hundred eleven".