90039901120121 has 4 divisors (see below), whose sum is σ = 91179646704000. Its totient is φ = 88900155536244.

The previous prime is 90039901120063. The next prime is 90039901120139. The reversal of 90039901120121 is 12102110993009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90039901120121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90039901120171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569872791821 + ... + 569872791978.

It is an arithmetic number, because the mean of its divisors is an integer number (22794911676000).

Almost surely, 2^{90039901120121} is an apocalyptic number.

It is an amenable number.

90039901120121 is a deficient number, since it is larger than the sum of its proper divisors (1139745583879).

90039901120121 is a wasteful number, since it uses less digits than its factorization.

90039901120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139745583878.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 90039901120121 in words is "ninety trillion, thirty-nine billion, nine hundred one million, one hundred twenty thousand, one hundred twenty-one".