90001201303021 has 4 divisors (see below), whose sum is σ = 93914297011872. Its totient is φ = 86088105594172.

The previous prime is 90001201303019. The next prime is 90001201303217. The reversal of 90001201303021 is 12030310210009.

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 90001201303021 - 2¹ = 90001201303019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90001201302983 and 90001201303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90001211303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1956547854391 + ... + 1956547854436.

It is an arithmetic number, because the mean of its divisors is an integer number (23478574252968).

Almost surely, 2^{90001201303021} is an apocalyptic number.

It is an amenable number.

90001201303021 is a deficient number, since it is larger than the sum of its proper divisors (3913095708851).

90001201303021 is a wasteful number, since it uses less digits than its factorization.

90001201303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913095708850.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 90001201303021 in words is "ninety trillion, one billion, two hundred one million, three hundred three thousand, twenty-one".