2001022200001 has 4 divisors (see below), whose sum is σ = 2182933309104. Its totient is φ = 1819111090900.

The previous prime is 2001022199977. The next prime is 2001022200013. The reversal of 2001022200001 is 1000022201002.

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 2001022200001 - 2⁷ = 2001022199873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001022200601) 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, 90955554535 + ... + 90955554556.

It is an arithmetic number, because the mean of its divisors is an integer number (545733327276).

Almost surely, 2^{2001022200001} is an apocalyptic number.

It is an amenable number.

2001022200001 is a deficient number, since it is larger than the sum of its proper divisors (181911109103).

2001022200001 is a wasteful number, since it uses less digits than its factorization.

2001022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181911109102.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2001022200001 its reverse (1000022201002), we get a palindrome (3001044401003).

The spelling of 2001022200001 in words is "two trillion, one billion, twenty-two million, two hundred thousand, one".