22102111200012 has 48 divisors (see below), whose sum is σ = 55115545080960. Its totient is φ = 6869191965952.

The previous prime is 22102111199989. The next prime is 22102111200053. The reversal of 22102111200012 is 21000211120122.

It is a junction number, because it is equal to n+sod(n) for n = 22102111199964 and 22102111200000.

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, 506257062 + ... + 506300717.

It is an arithmetic number, because the mean of its divisors is an integer number (1148240522520).

Almost surely, 2^{22102111200012} is an apocalyptic number.

It is an amenable number.

22102111200012 is an abundant number, since it is smaller than the sum of its proper divisors (33013433880948).

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

22102111200012 is a wasteful number, since it uses less digits than its factorization.

22102111200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012557910 (or 1012557908 counting only the distinct ones).

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

Adding to 22102111200012 its reverse (21000211120122), we get a palindrome (43102322320134).

The spelling of 22102111200012 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, two hundred thousand, twelve".