22100221020122 has 64 divisors (see below), whose sum is σ = 39129302016000. Its totient is φ = 9356392427760.

The previous prime is 22100221020113. The next prime is 22100221020161. The reversal of 22100221020122 is 22102012200122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100221020122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773830079 + ... + 773858637.

It is an arithmetic number, because the mean of its divisors is an integer number (611395344000).

Almost surely, 2^{22100221020122} is an apocalyptic number.

22100221020122 is a deficient number, since it is larger than the sum of its proper divisors (17029080995878).

22100221020122 is a wasteful number, since it uses less digits than its factorization.

22100221020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42256 (or 42242 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100221020122 its reverse (22102012200122), we get a palindrome (44202233220244).

The spelling of 22100221020122 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".