999100202112210 has 64 divisors (see below), whose sum is σ = 2729557548241920. Its totient is φ = 231675409183680.

The previous prime is 999100202112209. The next prime is 999100202112253. The reversal of 999100202112210 is 12211202001999.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65816870020 + ... + 65816885199.

It is an arithmetic number, because the mean of its divisors is an integer number (42649336691280).

Almost surely, 2^{999100202112210} is an apocalyptic number.

999100202112210 is an abundant number, since it is smaller than the sum of its proper divisors (1730457346129710).

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

999100202112210 is a wasteful number, since it uses less digits than its factorization.

999100202112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131633755263.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 999100202112210 in words is "nine hundred ninety-nine trillion, one hundred billion, two hundred two million, one hundred twelve thousand, two hundred ten".