22120100022111 has 32 divisors (see below), whose sum is σ = 36564612338688. Its totient is φ = 11582579024640.

The previous prime is 22120100022107. The next prime is 22120100022113. The reversal of 22120100022111 is 11122000102122.

It is not a de Polignac number, because 22120100022111 - 2² = 22120100022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120100022113) 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, 295677955 + ... + 295752756.

It is an arithmetic number, because the mean of its divisors is an integer number (1142644135584).

Almost surely, 2^{22120100022111} is an apocalyptic number.

22120100022111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22120100022111 is a deficient number, since it is larger than the sum of its proper divisors (14444512316577).

22120100022111 is a wasteful number, since it uses less digits than its factorization.

22120100022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591430871.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22120100022111 its reverse (11122000102122), we get a palindrome (33242100124233).

The spelling of 22120100022111 in words is "twenty-two trillion, one hundred twenty billion, one hundred million, twenty-two thousand, one hundred eleven".