90122321011 has 2 divisors, whose sum is σ = 90122321012. Its totient is φ = 90122321010.

The previous prime is 90122320997. The next prime is 90122321027. The reversal of 90122321011 is 11012322109.

It is a weak prime.

It is an emirp because it is prime and its reverse (11012322109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90122321011 - 2⁵ = 90122320979 is a prime.

It is not a weakly prime, because it can be changed into another prime (90122321041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45061160505 + 45061160506.

It is an arithmetic number, because the mean of its divisors is an integer number (45061160506).

Almost surely, 2^90122321011 is an apocalyptic number.

90122321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

90122321011 is an equidigital number, since it uses as much as digits as its factorization.

90122321011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 90122321011 in words is "ninety billion, one hundred twenty-two million, three hundred twenty-one thousand, eleven".