22010111012 has 24 divisors (see below), whose sum is σ = 39165227640. Its totient is φ = 10820194560.

The previous prime is 22010111009. The next prime is 22010111023. The reversal of 22010111012 is 21011101022.

It can be written as a sum of positive squares in 4 ways, for example, as 4290774016 + 17719336996 = 65504^2 + 133114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22010110984 and 22010111002.

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, 621314 + ... + 655782.

It is an arithmetic number, because the mean of its divisors is an integer number (1631884485).

Almost surely, 2^22010111012 is an apocalyptic number.

It is an amenable number.

22010111012 is a deficient number, since it is larger than the sum of its proper divisors (17155116628).

22010111012 is a wasteful number, since it uses less digits than its factorization.

22010111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37151 (or 37149 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22010111012 its reverse (21011101022), we get a palindrome (43021212034).

The spelling of 22010111012 in words is "twenty-two billion, ten million, one hundred eleven thousand, twelve".