2002201022001 has 16 divisors (see below), whose sum is σ = 2678413368320. Its totient is φ = 1330395580800.

The previous prime is 2002201021999. The next prime is 2002201022009. The reversal of 2002201022001 is 1002201022002.

It is not a de Polignac number, because 2002201022001 - 2¹ = 2002201021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002201022009) 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, 9189360 + ... + 9404718.

It is an arithmetic number, because the mean of its divisors is an integer number (167400835520).

Almost surely, 2^{2002201022001} is an apocalyptic number.

It is an amenable number.

2002201022001 is a deficient number, since it is larger than the sum of its proper divisors (676212346319).

2002201022001 is a wasteful number, since it uses less digits than its factorization.

2002201022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225576.

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

Adding to 2002201022001 its reverse (1002201022002), we get a palindrome (3004402044003).

Subtracting from 2002201022001 its reverse (1002201022002), we obtain a palindrome (999999999999).

It can be divided in two parts, 200220 and 1022001, that added together give a palindrome (1222221).

The spelling of 2002201022001 in words is "two trillion, two billion, two hundred one million, twenty-two thousand, one".