101020018191900 has 36 divisors (see below), whose sum is σ = 292284585969432. Its totient is φ = 26938671517760.

The previous prime is 101020018191899. The next prime is 101020018191991. The reversal of 101020018191900 is 9191810020101.

It is a super-2 number, since 2×101020018191900² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168366696687 + ... + 168366697286.

Almost surely, 2^{101020018191900} is an apocalyptic number.

101020018191900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020018191900 is an abundant number, since it is smaller than the sum of its proper divisors (191264567777532).

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

101020018191900 is a wasteful number, since it uses less digits than its factorization.

101020018191900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336733393990 (or 336733393983 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 101020018191900 in words is "one hundred one trillion, twenty billion, eighteen million, one hundred ninety-one thousand, nine hundred".