92000221021 has 2 divisors, whose sum is σ = 92000221022. Its totient is φ = 92000221020.

The previous prime is 92000220979. The next prime is 92000221051. The reversal of 92000221021 is 12012200029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87870744900 + 4129476121 = 296430^2 + 64261^2 .

It is an emirp because it is prime and its reverse (12012200029) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92000221021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92000221021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92000221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46000110510 + 46000110511.

It is an arithmetic number, because the mean of its divisors is an integer number (46000110511).

Almost surely, 2^92000221021 is an apocalyptic number.

It is an amenable number.

92000221021 is a deficient number, since it is larger than the sum of its proper divisors (1).

92000221021 is an equidigital number, since it uses as much as digits as its factorization.

92000221021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 92000221021 in words is "ninety-two billion, two hundred twenty-one thousand, twenty-one".