90002001022201 has 4 divisors (see below), whose sum is σ = 90875806857472. Its totient is φ = 89128195186932.

The previous prime is 90002001022187. The next prime is 90002001022207. The reversal of 90002001022201 is 10222010020009.

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 not a de Polignac number, because 90002001022201 - 2²³ = 90001992633593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90002001022207) 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, 436902917481 + ... + 436902917686.

It is an arithmetic number, because the mean of its divisors is an integer number (22718951714368).

Almost surely, 2^{90002001022201} is an apocalyptic number.

It is an amenable number.

90002001022201 is a deficient number, since it is larger than the sum of its proper divisors (873805835271).

90002001022201 is a wasteful number, since it uses less digits than its factorization.

90002001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873805835270.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 90002001022201 in words is "ninety trillion, two billion, one million, twenty-two thousand, two hundred one".