2001002220201 has 16 divisors (see below), whose sum is σ = 2826775234944. Its totient is φ = 1254717060864.

The previous prime is 2001002220197. The next prime is 2001002220263. The reversal of 2001002220201 is 1020222001002.

It is not a de Polignac number, because 2001002220201 - 2² = 2001002220197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001002220281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12635286 + ... + 12792671.

It is an arithmetic number, because the mean of its divisors is an integer number (176673452184).

Almost surely, 2^{2001002220201} is an apocalyptic number.

It is an amenable number.

2001002220201 is a deficient number, since it is larger than the sum of its proper divisors (825773014743).

2001002220201 is a wasteful number, since it uses less digits than its factorization.

2001002220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25429520.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2001002220201 its reverse (1020222001002), we get a palindrome (3021224221203).

The spelling of 2001002220201 in words is "two trillion, one billion, two million, two hundred twenty thousand, two hundred one".