99911111020202 has 8 divisors (see below), whose sum is σ = 149870525907396. Its totient is φ = 49954269051072.

The previous prime is 99911111020199. The next prime is 99911111020211. The reversal of 99911111020202 is 20202011111999.

It can be written as a sum of positive squares in 2 ways, for example, as 98445071958601 + 1466039061601 = 9921949^2 + 1210801^2 .

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

It is a super-3 number, since 3×99911111020202³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 643132433 + ... + 643287764.

Almost surely, 2^{99911111020202} is an apocalyptic number.

99911111020202 is a deficient number, since it is larger than the sum of its proper divisors (49959414887194).

99911111020202 is a wasteful number, since it uses less digits than its factorization.

99911111020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286459032.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 99911111020202 in words is "ninety-nine trillion, nine hundred eleven billion, one hundred eleven million, twenty thousand, two hundred two".