91322021122 has 8 divisors (see below), whose sum is σ = 139897564416. Its totient is φ = 44689499652.

The previous prime is 91322021101. The next prime is 91322021137. The reversal of 91322021122 is 22112022319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485755338 + ... + 485755525.

It is an arithmetic number, because the mean of its divisors is an integer number (17487195552).

Almost surely, 2^91322021122 is an apocalyptic number.

91322021122 is a deficient number, since it is larger than the sum of its proper divisors (48575543294).

91322021122 is a wasteful number, since it uses less digits than its factorization.

91322021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971510912.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 91322021122 in words is "ninety-one billion, three hundred twenty-two million, twenty-one thousand, one hundred twenty-two".