22012112112 has 40 divisors (see below), whose sum is σ = 58187061504. Its totient is φ = 7166733504.

The previous prime is 22012112107. The next prime is 22012112131. The reversal of 22012112112 is 21121121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012112091 and 22012112100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5330328 + ... + 5334455.

Almost surely, 2^22012112112 is an apocalyptic number.

It is an amenable number.

22012112112 is an abundant number, since it is smaller than the sum of its proper divisors (36174949392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012112112 is a wasteful number, since it uses less digits than its factorization.

22012112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664837 (or 10664831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012112112 its reverse (21121121022), we get a palindrome (43133233134).

The spelling of 22012112112 in words is "twenty-two billion, twelve million, one hundred twelve thousand, one hundred twelve".