22311012112 has 20 divisors (see below), whose sum is σ = 43233014160. Its totient is φ = 11154105248.

The previous prime is 22311012103. The next prime is 22311012137. The reversal of 22311012112 is 21121011322.

It is a super-3 number, since 3×22311012112³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50439 + ... + 217177.

It is an arithmetic number, because the mean of its divisors is an integer number (2161650708).

Almost surely, 2^22311012112 is an apocalyptic number.

It is an amenable number.

22311012112 is a deficient number, since it is larger than the sum of its proper divisors (20922002048).

22311012112 is a wasteful number, since it uses less digits than its factorization.

22311012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175110 (or 175104 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22311012112 its reverse (21121011322), we get a palindrome (43432023434).

The spelling of 22311012112 in words is "twenty-two billion, three hundred eleven million, twelve thousand, one hundred twelve".