22120010111111 has 32 divisors (see below), whose sum is σ = 24694182374400. Its totient is φ = 19645839377280.

The previous prime is 22120010111041. The next prime is 22120010111117. The reversal of 22120010111111 is 11111101002122.

It is a cyclic number.

It is not a de Polignac number, because 22120010111111 - 2²² = 22120005916807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120010111117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50435810 + ... + 50872496.

It is an arithmetic number, because the mean of its divisors is an integer number (771693199200).

Almost surely, 2^{22120010111111} is an apocalyptic number.

22120010111111 is a deficient number, since it is larger than the sum of its proper divisors (2574172263289).

22120010111111 is a wasteful number, since it uses less digits than its factorization.

22120010111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437399.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 22120010111111 its reverse (11111101002122), we get a palindrome (33231111113233).

It can be divided in two parts, 2212001011 and 1111, that added together give a palindrome (2212002122).

The spelling of 22120010111111 in words is "twenty-two trillion, one hundred twenty billion, ten million, one hundred eleven thousand, one hundred eleven".