100221202020122 has 16 divisors (see below), whose sum is σ = 150962451921600. Its totient is φ = 49900403626560.

The previous prime is 100221202020113. The next prime is 100221202020259. The reversal of 100221202020122 is 221020202122001.

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 100221202020122.

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, 5905529 + ... + 15340067.

It is an arithmetic number, because the mean of its divisors is an integer number (9435153245100).

Almost surely, 2^{100221202020122} is an apocalyptic number.

100221202020122 is a deficient number, since it is larger than the sum of its proper divisors (50741249901478).

100221202020122 is a wasteful number, since it uses less digits than its factorization.

100221202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456821.

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

Adding to 100221202020122 its reverse (221020202122001), we get a palindrome (321241404142123).

The spelling of 100221202020122 in words is "one hundred trillion, two hundred twenty-one billion, two hundred two million, twenty thousand, one hundred twenty-two".