22352991111 has 48 divisors (see below), whose sum is σ = 35815747968. Its totient is φ = 13320014400.

The previous prime is 22352991109. The next prime is 22352991121. The reversal of 22352991111 is 11119925322.

It is not a de Polignac number, because 22352991111 - 2¹ = 22352991109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22352991121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3890701 + ... + 3896441.

It is an arithmetic number, because the mean of its divisors is an integer number (746161416).

Almost surely, 2^22352991111 is an apocalyptic number.

22352991111 is a deficient number, since it is larger than the sum of its proper divisors (13462756857).

22352991111 is a wasteful number, since it uses less digits than its factorization.

22352991111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6409 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The spelling of 22352991111 in words is "twenty-two billion, three hundred fifty-two million, nine hundred ninety-one thousand, one hundred eleven".