110979853921 has 2 divisors, whose sum is σ = 110979853922. Its totient is φ = 110979853920.

The previous prime is 110979853891. The next prime is 110979854003. The reversal of 110979853921 is 129358979011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110117785600 + 862068321 = 331840^2 + 29361^2 .

It is a cyclic number.

It is not a de Polignac number, because 110979853921 - 2²³ = 110971465313 is a prime.

It is not a weakly prime, because it can be changed into another prime (110979856921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55489926960 + 55489926961.

It is an arithmetic number, because the mean of its divisors is an integer number (55489926961).

Almost surely, 2^110979853921 is an apocalyptic number.

It is an amenable number.

110979853921 is a deficient number, since it is larger than the sum of its proper divisors (1).

110979853921 is an equidigital number, since it uses as much as digits as its factorization.

110979853921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 110979853921 in words is "one hundred ten billion, nine hundred seventy-nine million, eight hundred fifty-three thousand, nine hundred twenty-one".