11101002001992 has 80 divisors (see below), whose sum is σ = 35534953512960. Its totient is φ = 3171714856416.

The previous prime is 11101002001861. The next prime is 11101002002003. The reversal of 11101002001992 is 29910020010111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1223650888 + ... + 1223659959.

It is an arithmetic number, because the mean of its divisors is an integer number (444186918912).

Almost surely, 2^{11101002001992} is an apocalyptic number.

11101002001992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101002001992 is an abundant number, since it is smaller than the sum of its proper divisors (24433951510968).

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

11101002001992 is a wasteful number, since it uses less digits than its factorization.

11101002001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447310872 (or 2447310859 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 11101002001992 in words is "eleven trillion, one hundred one billion, two million, one thousand, nine hundred ninety-two".