92204951221 has 2 divisors, whose sum is σ = 92204951222. Its totient is φ = 92204951220.

The previous prime is 92204951207. The next prime is 92204951227. The reversal of 92204951221 is 12215940229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89344199025 + 2860752196 = 298905^2 + 53486^2 .

It is an emirp because it is prime and its reverse (12215940229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92204951221 - 2¹¹ = 92204949173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92204951227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46102475610 + 46102475611.

It is an arithmetic number, because the mean of its divisors is an integer number (46102475611).

Almost surely, 2^92204951221 is an apocalyptic number.

It is an amenable number.

92204951221 is a deficient number, since it is larger than the sum of its proper divisors (1).

92204951221 is an equidigital number, since it uses as much as digits as its factorization.

92204951221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 92204951221 in words is "ninety-two billion, two hundred four million, nine hundred fifty-one thousand, two hundred twenty-one".