2002220000001 has 12 divisors (see below), whose sum is σ = 3114564444628. Its totient is φ = 1232135384544.

The previous prime is 2002219999993. The next prime is 2002220000059. The reversal of 2002220000001 is 1000000222002.

It can be written as a sum of positive squares in 2 ways, for example, as 701196890625 + 1301023109376 = 837375^2 + 1140624^2 .

It is not a de Polignac number, because 2002220000001 - 2³ = 2002219999993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2002220002001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8556495610 + ... + 8556495843.

Almost surely, 2^{2002220000001} is an apocalyptic number.

It is an amenable number.

2002220000001 is a deficient number, since it is larger than the sum of its proper divisors (1112344444627).

2002220000001 is a wasteful number, since it uses less digits than its factorization.

2002220000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112991472 (or 17112991469 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2002220000001 its reverse (1000000222002), we get a palindrome (3002220222003).

The spelling of 2002220000001 in words is "two trillion, two billion, two hundred twenty million, one", and thus it is an aban number.