2001901892901 has 8 divisors (see below), whose sum is σ = 2669327847360. Its totient is φ = 1334538600192.

The previous prime is 2001901892897. The next prime is 2001901892929. The reversal of 2001901892901 is 1092981091002.

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

It is not a de Polignac number, because 2001901892901 - 2² = 2001901892897 is a prime.

It is a super-2 number, since 2×2001901892901² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001901892201) 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, 15590841 + ... + 15718718.

It is an arithmetic number, because the mean of its divisors is an integer number (333665980920).

Almost surely, 2^{2001901892901} is an apocalyptic number.

It is an amenable number.

2001901892901 is a deficient number, since it is larger than the sum of its proper divisors (667425954459).

2001901892901 is a wasteful number, since it uses less digits than its factorization.

2001901892901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330875.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 2001901892901 in words is "two trillion, one billion, nine hundred one million, eight hundred ninety-two thousand, nine hundred one".