100122021021212 has 24 divisors (see below), whose sum is σ = 185610049049040. Its totient is φ = 47124142640640.

The previous prime is 100122021021203. The next prime is 100122021021229. The reversal of 100122021021212 is 212120120221001.

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, 4195513589 + ... + 4195537452.

It is an arithmetic number, because the mean of its divisors is an integer number (7733752043710).

Almost surely, 2^{100122021021212} is an apocalyptic number.

It is an amenable number.

100122021021212 is a deficient number, since it is larger than the sum of its proper divisors (85488028027828).

100122021021212 is a wasteful number, since it uses less digits than its factorization.

100122021021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391051221 (or 8391051219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100122021021212 its reverse (212120120221001), we get a palindrome (312242141242213).

The spelling of 100122021021212 in words is "one hundred trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, two hundred twelve".