22200000021111 has 16 divisors (see below), whose sum is σ = 34190374364928. Its totient is φ = 12663101616000.

The previous prime is 22200000020999. The next prime is 22200000021187. The reversal of 22200000021111 is 11112000000222.

It is not a de Polignac number, because 22200000021111 - 2²⁷ = 22199865803383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200000021211) 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, 19786095715 + ... + 19786096836.

It is an arithmetic number, because the mean of its divisors is an integer number (2136898397808).

Almost surely, 2^{22200000021111} is an apocalyptic number.

22200000021111 is a deficient number, since it is larger than the sum of its proper divisors (11990374343817).

22200000021111 is a wasteful number, since it uses less digits than its factorization.

22200000021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39572192582.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22200000021111 its reverse (11112000000222), we get a palindrome (33312000021333).

It can be divided in two parts, 222000000211 and 11, that added together give a palindrome (222000000222).

The spelling of 22200000021111 in words is "twenty-two trillion, two hundred billion, twenty-one thousand, one hundred eleven".