22111012022111 has 16 divisors (see below), whose sum is σ = 22514588928000. Its totient is φ = 21708403008768.

The previous prime is 22111012022107. The next prime is 22111012022123. The reversal of 22111012022111 is 11122021011122.

It is a cyclic number.

It is not a de Polignac number, because 22111012022111 - 2² = 22111012022107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111012022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111012024111) 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, 398462210 + ... + 398517696.

It is an arithmetic number, because the mean of its divisors is an integer number (1407161808000).

Almost surely, 2^{22111012022111} is an apocalyptic number.

22111012022111 is a deficient number, since it is larger than the sum of its proper divisors (403576905889).

22111012022111 is an equidigital number, since it uses as much as digits as its factorization.

22111012022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64078.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111012022111 its reverse (11122021011122), we get a palindrome (33233033033233).

The spelling of 22111012022111 in words is "twenty-two trillion, one hundred eleven billion, twelve million, twenty-two thousand, one hundred eleven".