22101122020111 has 16 divisors (see below), whose sum is σ = 23445404676288. Its totient is φ = 20761767936000.

The previous prime is 22101122020099. The next prime is 22101122020121. The reversal of 22101122020111 is 11102022110122.

It is a cyclic number.

It is not a de Polignac number, because 22101122020111 - 2³⁵ = 22066762281743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101122020121) 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, 45541006 + ... + 46023748.

It is an arithmetic number, because the mean of its divisors is an integer number (1465337792268).

Almost surely, 2^{22101122020111} is an apocalyptic number.

22101122020111 is a deficient number, since it is larger than the sum of its proper divisors (1344282656177).

22101122020111 is a wasteful number, since it uses less digits than its factorization.

22101122020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487842.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101122020111 its reverse (11102022110122), we get a palindrome (33203144130233).

The spelling of 22101122020111 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-two million, twenty thousand, one hundred eleven".