20211000110992 has 20 divisors (see below), whose sum is σ = 39800760466396. Its totient is φ = 9939836119680.

The previous prime is 20211000110969. The next prime is 20211000110999. The reversal of 20211000110992 is 29901100011202.

It can be written as a sum of positive squares in 2 ways, for example, as 10266538772736 + 9944461338256 = 3204144^2 + 3153484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20211000110992.

It is not an unprimeable number, because it can be changed into a prime (20211000110999) 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, 10353994983 + ... + 10353996934.

Almost surely, 2^{20211000110992} is an apocalyptic number.

It is an amenable number.

20211000110992 is a deficient number, since it is larger than the sum of its proper divisors (19589760355404).

20211000110992 is a wasteful number, since it uses less digits than its factorization.

20211000110992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20707991986 (or 20707991980 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20211000110992 in words is "twenty trillion, two hundred eleven billion, one hundred ten thousand, nine hundred ninety-two".