1992901081100 has 36 divisors (see below), whose sum is σ = 4324792341408. Its totient is φ = 797124120000.

The previous prime is 1992901081091. The next prime is 1992901081121. The reversal of 1992901081100 is 11801092991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808450 + ... + 2693750.

Almost surely, 2^{1992901081100} is an apocalyptic number.

1992901081100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992901081100 is an abundant number, since it is smaller than the sum of its proper divisors (2331891260308).

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

1992901081100 is a wasteful number, since it uses less digits than its factorization.

1992901081100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907826 (or 907819 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 1992901081100 in words is "one trillion, nine hundred ninety-two billion, nine hundred one million, eighty-one thousand, one hundred".