22002111111012 has 48 divisors (see below), whose sum is σ = 54082525593600. Its totient is φ = 6942602599200.

The previous prime is 22002111110981. The next prime is 22002111111053. The reversal of 22002111111012 is 21011111120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22002111110982 and 22002111111000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37433364 + ... + 38016587.

It is an arithmetic number, because the mean of its divisors is an integer number (1126719283200).

Almost surely, 2^{22002111111012} is an apocalyptic number.

It is an amenable number.

22002111111012 is an abundant number, since it is smaller than the sum of its proper divisors (32080414482588).

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

22002111111012 is a wasteful number, since it uses less digits than its factorization.

22002111111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75451256 (or 75451254 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22002111111012 its reverse (21011111120022), we get a palindrome (43013222231034).

The spelling of 22002111111012 in words is "twenty-two trillion, two billion, one hundred eleven million, one hundred eleven thousand, twelve".