990110099011 has 12 divisors (see below), whose sum is σ = 1088424942472. Its totient is φ = 899999100000.

The previous prime is 990110099009. The next prime is 990110099053. The reversal of 990110099011 is 110990011099.

It is not a de Polignac number, because 990110099011 - 2¹ = 990110099009 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990110099411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634576 + ... + 1543666.

Almost surely, 2^990110099011 is an apocalyptic number.

990110099011 is a deficient number, since it is larger than the sum of its proper divisors (98314843461).

990110099011 is a wasteful number, since it uses less digits than its factorization.

990110099011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918114 (or 918103 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 40.

It can be divided in two parts, 9901100 and 99011, that multiplied together give a square (980317812100 = 990110²).

The spelling of 990110099011 in words is "nine hundred ninety billion, one hundred ten million, ninety-nine thousand, eleven".