199900101011010 has 64 divisors (see below), whose sum is σ = 493288569948672. Its totient is φ = 51806831682816.

The previous prime is 199900101010991. The next prime is 199900101011041. The reversal of 199900101011010 is 10110101009991.

It is a Curzon 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, 101700522 + ... + 103647461.

It is an arithmetic number, because the mean of its divisors is an integer number (7707633905448).

Almost surely, 2^{199900101011010} is an apocalyptic number.

199900101011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199900101011010 is an abundant number, since it is smaller than the sum of its proper divisors (293388468937662).

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

199900101011010 is a wasteful number, since it uses less digits than its factorization.

199900101011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205348907.

The product of its (nonzero) digits is 729, while the sum is 33.

The spelling of 199900101011010 in words is "one hundred ninety-nine trillion, nine hundred billion, one hundred one million, eleven thousand, ten".