9100111100090 has 8 divisors (see below), whose sum is σ = 16380199980180. Its totient is φ = 3640044440032.

The previous prime is 9100111100089. The next prime is 9100111100153. The reversal of 9100111100090 is 900011110019.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9076523976529 + 23587123561 = 3012727^2 + 153581^2 .

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

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, 455005554995 + ... + 455005555014.

Almost surely, 2^{9100111100090} is an apocalyptic number.

9100111100090 is a deficient number, since it is larger than the sum of its proper divisors (7280088880090).

9100111100090 is a wasteful number, since it uses less digits than its factorization.

9100111100090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910011110016.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 9100111100090 in words is "nine trillion, one hundred billion, one hundred eleven million, one hundred thousand, ninety".