101099210000 has 50 divisors (see below), whose sum is σ = 244771321542. Its totient is φ = 40439680000.

The previous prime is 101099209999. The next prime is 101099210027. The reversal of 101099210000 is 12990101.

It can be written as a sum of positive squares in 5 ways, for example, as 57262575616 + 43836634384 = 239296^2 + 209372^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5044961 + ... + 5064960.

Almost surely, 2^101099210000 is an apocalyptic number.

101099210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101099210000 is an abundant number, since it is smaller than the sum of its proper divisors (143672111542).

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

101099210000 is an equidigital number, since it uses as much as digits as its factorization.

101099210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109949 (or 10109928 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 101099210000 in words is "one hundred one billion, ninety-nine million, two hundred ten thousand".