900011201022001 has 8 divisors (see below), whose sum is σ = 904745334495744. Its totient is φ = 895277297058480.

The previous prime is 900011201021993. The next prime is 900011201022007. The reversal of 900011201022001 is 100220102110009.

It is a happy number.

900011201022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 900011201022001 - 2³ = 900011201021993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900011201022001.

It is not an unprimeable number, because it can be changed into a prime (900011201022007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49511215 + ... + 65202628.

It is an arithmetic number, because the mean of its divisors is an integer number (113093166811968).

Almost surely, 2^{900011201022001} is an apocalyptic number.

It is an amenable number.

900011201022001 is a deficient number, since it is larger than the sum of its proper divisors (4734133473743).

900011201022001 is a wasteful number, since it uses less digits than its factorization.

900011201022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114755111.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 900011201022001 in words is "nine hundred trillion, eleven billion, two hundred one million, twenty-two thousand, one".