92111111021 has 2 divisors, whose sum is σ = 92111111022. Its totient is φ = 92111111020.

The previous prime is 92111110981. The next prime is 92111111077. The reversal of 92111111021 is 12011111129.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90729873796 + 1381237225 = 301214^2 + 37165^2 .

It is a cyclic number.

It is not a de Polignac number, because 92111111021 - 2¹⁸ = 92110848877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 92111110984 and 92111111002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92111111621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46055555510 + 46055555511.

It is an arithmetic number, because the mean of its divisors is an integer number (46055555511).

Almost surely, 2^92111111021 is an apocalyptic number.

It is an amenable number.

92111111021 is a deficient number, since it is larger than the sum of its proper divisors (1).

92111111021 is an equidigital number, since it uses as much as digits as its factorization.

92111111021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 92111111021 in words is "ninety-two billion, one hundred eleven million, one hundred eleven thousand, twenty-one".