9901202111102 has 4 divisors (see below), whose sum is σ = 14851803166656. Its totient is φ = 4950601055550.

The previous prime is 9901202111089. The next prime is 9901202111111. The reversal of 9901202111102 is 2011112021099.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475300527774 + ... + 2475300527777.

It is an arithmetic number, because the mean of its divisors is an integer number (3712950791664).

Almost surely, 2^{9901202111102} is an apocalyptic number.

9901202111102 is a deficient number, since it is larger than the sum of its proper divisors (4950601055554).

9901202111102 is a wasteful number, since it uses less digits than its factorization.

9901202111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950601055553.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 9901202111102 in words is "nine trillion, nine hundred one billion, two hundred two million, one hundred eleven thousand, one hundred two".