91252299225211 has 2 divisors, whose sum is σ = 91252299225212. Its totient is φ = 91252299225210.

The previous prime is 91252299225209. The next prime is 91252299225223. The reversal of 91252299225211 is 11252299225219.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91252299225211 - 2¹ = 91252299225209 is a prime.

It is a super-2 number, since 2×91252299225211² (a number of 29 digits) contains 22 as substring.

Together with 91252299225209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (91252299235211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45626149612605 + 45626149612606.

It is an arithmetic number, because the mean of its divisors is an integer number (45626149612606).

Almost surely, 2^{91252299225211} is an apocalyptic number.

91252299225211 is a deficient number, since it is larger than the sum of its proper divisors (1).

91252299225211 is an equidigital number, since it uses as much as digits as its factorization.

91252299225211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 52.

The spelling of 91252299225211 in words is "ninety-one trillion, two hundred fifty-two billion, two hundred ninety-nine million, two hundred twenty-five thousand, two hundred eleven".