199210109010 has 64 divisors (see below), whose sum is σ = 522566000640. Its totient is φ = 48200978880.

The previous prime is 199210109009. The next prime is 199210109029. The reversal of 199210109010 is 10901012991.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 404530 + ... + 749709.

It is an arithmetic number, because the mean of its divisors is an integer number (8165093760).

Almost surely, 2^199210109010 is an apocalyptic number.

199210109010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199210109010 is an abundant number, since it is smaller than the sum of its proper divisors (323355891630).

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

199210109010 is a wasteful number, since it uses less digits than its factorization.

199210109010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154783.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 199210109010 in words is "one hundred ninety-nine billion, two hundred ten million, one hundred nine thousand, ten".