220221002211001 has 24 divisors (see below), whose sum is σ = 251295631705440. Its totient is φ = 191378234731200.

The previous prime is 220221002210981. The next prime is 220221002211097. The reversal of 220221002211001 is 100112200122022.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-220221002211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220221002211401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2266860 + ... + 21108781.

It is an arithmetic number, because the mean of its divisors is an integer number (10470651321060).

Almost surely, 2^{220221002211001} is an apocalyptic number.

It is an amenable number.

220221002211001 is a deficient number, since it is larger than the sum of its proper divisors (31074629494439).

220221002211001 is a wasteful number, since it uses less digits than its factorization.

220221002211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23377317 (or 23377294 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220221002211001 its reverse (100112200122022), we get a palindrome (320333202333023).

The spelling of 220221002211001 in words is "two hundred twenty trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, one".