10211100109979 has 4 divisors (see below), whose sum is σ = 10220144486760. Its totient is φ = 10202055733200.

The previous prime is 10211100109967. The next prime is 10211100110009. The reversal of 10211100109979 is 97990100111201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10211100109979 - 2¹⁶ = 10211100044443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211100109949) 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, 4522186697 + ... + 4522188954.

It is an arithmetic number, because the mean of its divisors is an integer number (2555036121690).

Almost surely, 2^{10211100109979} is an apocalyptic number.

10211100109979 is a deficient number, since it is larger than the sum of its proper divisors (9044376781).

10211100109979 is an equidigital number, since it uses as much as digits as its factorization.

10211100109979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044376780.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 10211100109979 in words is "ten trillion, two hundred eleven billion, one hundred million, one hundred nine thousand, nine hundred seventy-nine".