100120022122 has 16 divisors (see below), whose sum is σ = 159224252040. Its totient is φ = 47053052928.

The previous prime is 100120022099. The next prime is 100120022159. The reversal of 100120022122 is 221220021001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99970424761 + 149597361 = 316181^2 + 12231^2 .

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, 1919247 + ... + 1970722.

Almost surely, 2^100120022122 is an apocalyptic number.

100120022122 is a deficient number, since it is larger than the sum of its proper divisors (59104229918).

100120022122 is a wasteful number, since it uses less digits than its factorization.

100120022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890745.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100120022122 its reverse (221220021001), we get a palindrome (321340043123).

The spelling of 100120022122 in words is "one hundred billion, one hundred twenty million, twenty-two thousand, one hundred twenty-two".