100992792991 has 4 divisors (see below), whose sum is σ = 100993622184. Its totient is φ = 100991963800.

The previous prime is 100992792889. The next prime is 100992792997. The reversal of 100992792991 is 199297299001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100992792991 - 2²³ = 100984404383 is a prime.

It is a super-2 number, since 2×100992792991² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100992792997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192100 + ... + 488761.

It is an arithmetic number, because the mean of its divisors is an integer number (25248405546).

Almost surely, 2^100992792991 is an apocalyptic number.

100992792991 is a deficient number, since it is larger than the sum of its proper divisors (829193).

100992792991 is an equidigital number, since it uses as much as digits as its factorization.

100992792991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829192.

The product of its (nonzero) digits is 1653372, while the sum is 58.

The spelling of 100992792991 in words is "one hundred billion, nine hundred ninety-two million, seven hundred ninety-two thousand, nine hundred ninety-one".