9191102020202 has 16 divisors (see below), whose sum is σ = 14244356881152. Its totient is φ = 4443253332960.

The previous prime is 9191102020183. The next prime is 9191102020249. The reversal of 9191102020202 is 2020202011919.

It is a super-2 number, since 2×9191102020202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67499708 + ... + 67635735.

It is an arithmetic number, because the mean of its divisors is an integer number (890272305072).

Almost surely, 2^{9191102020202} is an apocalyptic number.

9191102020202 is a deficient number, since it is larger than the sum of its proper divisors (5053254860950).

9191102020202 is a wasteful number, since it uses less digits than its factorization.

9191102020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135136573.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 9191102020202 in words is "nine trillion, one hundred ninety-one billion, one hundred two million, twenty thousand, two hundred two".