22211220102012 has 30 divisors (see below), whose sum is σ = 58064516749008. Its totient is φ = 7403740033896.

The previous prime is 22211220102007. The next prime is 22211220102041. The reversal of 22211220102012 is 21020102211222.

It is a happy number.

22211220102012 is a `hidden beast` number, since 22 + 211 + 220 + 10 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34276573908 + ... + 34276574555.

Almost surely, 2^{22211220102012} is an apocalyptic number.

It is an amenable number.

22211220102012 is an abundant number, since it is smaller than the sum of its proper divisors (35853296646996).

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

22211220102012 is a wasteful number, since it uses less digits than its factorization.

22211220102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68553148479 (or 68553148468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22211220102012 its reverse (21020102211222), we get a palindrome (43231322313234).

The spelling of 22211220102012 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty million, one hundred two thousand, twelve".