210100120121008 has 40 divisors (see below), whose sum is σ = 442261468016928. Its totient is φ = 96111150922752.

The previous prime is 210100120120999. The next prime is 210100120121009. The reversal of 210100120121008 is 800121021001012.

It is not an unprimeable number, because it can be changed into a prime (210100120121009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4469431060 + ... + 4469478067.

Almost surely, 2^{210100120121008} is an apocalyptic number.

It is an amenable number.

210100120121008 is an abundant number, since it is smaller than the sum of its proper divisors (232161347895920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210100120121008 is a wasteful number, since it uses less digits than its factorization.

210100120121008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938909261 (or 8938909255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 210100120121008 in words is "two hundred ten trillion, one hundred billion, one hundred twenty million, one hundred twenty-one thousand, eight".