199910100810000 has 200 divisors, whose sum is σ = 737527383740224. Its totient is φ = 45693737280000.

The previous prime is 199910100809981. The next prime is 199910100810029. The reversal of 199910100810000 is 18001019991.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×199910100810000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 475766431 + ... + 476186430.

Almost surely, 2^{199910100810000} is an apocalyptic number.

199910100810000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199910100810000 is an abundant number, since it is smaller than the sum of its proper divisors (537617282930224).

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

199910100810000 is an equidigital number, since it uses as much as digits as its factorization.

199910100810000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951952899 (or 951952878 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 39.

Adding to 199910100810000 its reverse (18001019991), we get a palindrome (199928101829991).

The spelling of 199910100810000 in words is "one hundred ninety-nine trillion, nine hundred ten billion, one hundred million, eight hundred ten thousand".