22201222102012 has 24 divisors (see below), whose sum is σ = 40402296264960. Its totient is φ = 10661717048640.

The previous prime is 22201222101941. The next prime is 22201222102043. The reversal of 22201222102012 is 21020122210222.

It is a super-2 number, since 2×22201222102012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 500998383 + ... + 501042694.

It is an arithmetic number, because the mean of its divisors is an integer number (1683429011040).

Almost surely, 2^{22201222102012} is an apocalyptic number.

It is an amenable number.

22201222102012 is a deficient number, since it is larger than the sum of its proper divisors (18201074162948).

22201222102012 is a wasteful number, since it uses less digits than its factorization.

22201222102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002041301 (or 1002041299 counting only the distinct ones).

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

Adding to 22201222102012 its reverse (21020122210222), we get a palindrome (43221344312234).

The spelling of 22201222102012 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-two million, one hundred two thousand, twelve".