990202202011 has 16 divisors (see below), whose sum is σ = 1145254723200. Its totient is φ = 846670406400.

The previous prime is 990202201999. The next prime is 990202202081. The reversal of 990202202011 is 110202202099.

It is a cyclic number.

It is not a de Polignac number, because 990202202011 - 2⁷ = 990202201883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990202202081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17013430 + ... + 17071531.

It is an arithmetic number, because the mean of its divisors is an integer number (71578420200).

Almost surely, 2^990202202011 is an apocalyptic number.

990202202011 is a deficient number, since it is larger than the sum of its proper divisors (155052521189).

990202202011 is a wasteful number, since it uses less digits than its factorization.

990202202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34085130.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 990202202011 in words is "nine hundred ninety billion, two hundred two million, two hundred two thousand, eleven".