120100021100122 has 24 divisors (see below), whose sum is σ = 209579521787604. Its totient is φ = 51467203210752.

The previous prime is 120100021100107. The next prime is 120100021100123. The reversal of 120100021100122 is 221001120001021.

It can be written as a sum of positive squares in 2 ways, for example, as 104654107143481 + 15445913956641 = 10230059^2 + 3930129^2 .

It is not an unprimeable number, because it can be changed into a prime (120100021100123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49212103 + ... + 51594874.

Almost surely, 2^{120100021100122} is an apocalyptic number.

120100021100122 is a deficient number, since it is larger than the sum of its proper divisors (89479500687482).

120100021100122 is a wasteful number, since it uses less digits than its factorization.

120100021100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100819150 (or 100819143 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120100021100122 its reverse (221001120001021), we get a palindrome (341101141101143).

The spelling of 120100021100122 in words is "one hundred twenty trillion, one hundred billion, twenty-one million, one hundred thousand, one hundred twenty-two".