2221002102001 has 8 divisors (see below), whose sum is σ = 2226677023424. Its totient is φ = 2215327585680.

The previous prime is 2221002101999. The next prime is 2221002102023. The reversal of 2221002102001 is 1002012001222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221002102001 - 2¹ = 2221002101999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221002102091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13052596 + ... + 13221658.

It is an arithmetic number, because the mean of its divisors is an integer number (278334627928).

Almost surely, 2^{2221002102001} is an apocalyptic number.

It is an amenable number.

2221002102001 is a deficient number, since it is larger than the sum of its proper divisors (5674921423).

2221002102001 is a wasteful number, since it uses less digits than its factorization.

2221002102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202551.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221002102001 its reverse (1002012001222), we get a palindrome (3223014103223).

The spelling of 2221002102001 in words is "two trillion, two hundred twenty-one billion, two million, one hundred two thousand, one".