22020111112 has 32 divisors (see below), whose sum is σ = 41790691800. Its totient is φ = 10876529664.

The previous prime is 22020111107. The next prime is 22020111119. The reversal of 22020111112 is 21111102022.

It can be written as a sum of positive squares in 4 ways, for example, as 17607697636 + 4412413476 = 132694^2 + 66426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22020111092 and 22020111101.

It is not an unprimeable number, because it can be changed into a prime (22020111119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256398 + ... + 331330.

Almost surely, 2^22020111112 is an apocalyptic number.

It is an amenable number.

22020111112 is a deficient number, since it is larger than the sum of its proper divisors (19770580688).

22020111112 is a wasteful number, since it uses less digits than its factorization.

22020111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75385 (or 75381 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22020111112 its reverse (21111102022), we get a palindrome (43131213134).

The spelling of 22020111112 in words is "twenty-two billion, twenty million, one hundred eleven thousand, one hundred twelve".