91022002202 has 8 divisors (see below), whose sum is σ = 136760940000. Its totient is φ = 45435022204.

The previous prime is 91022002187. The next prime is 91022002217. The reversal of 91022002202 is 20220022019.

It is an interprime number because it is at equal distance from previous prime (91022002187) and next prime (91022002217).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37987952 + ... + 37990347.

It is an arithmetic number, because the mean of its divisors is an integer number (17095117500).

Almost surely, 2^91022002202 is an apocalyptic number.

91022002202 is a deficient number, since it is larger than the sum of its proper divisors (45738937798).

91022002202 is a wasteful number, since it uses less digits than its factorization.

91022002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75978900.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 91022002202 in words is "ninety-one billion, twenty-two million, two thousand, two hundred two".