22221022102012 has 6 divisors (see below), whose sum is σ = 38886788678528. Its totient is φ = 11110511051004.

The previous prime is 22221022101991. The next prime is 22221022102067. The reversal of 22221022102012 is 21020122012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777627762748 + ... + 2777627762755.

Almost surely, 2^{22221022102012} is an apocalyptic number.

It is an amenable number.

22221022102012 is a deficient number, since it is larger than the sum of its proper divisors (16665766576516).

22221022102012 is a wasteful number, since it uses less digits than its factorization.

22221022102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555255525507 (or 5555255525505 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221022102012 its reverse (21020122012222), we get a palindrome (43241144114234).

The spelling of 22221022102012 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, one hundred two thousand, twelve".