221002231011010 has 16 divisors (see below), whose sum is σ = 397804256724672. Its totient is φ = 88400838870000.

The previous prime is 221002231010921. The next prime is 221002231011017. The reversal of 221002231011010 is 10110132200122.

It is a super-2 number, since 2×221002231011010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221002231011017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13567435 + ... + 25021585.

It is an arithmetic number, because the mean of its divisors is an integer number (24862766045292).

Almost surely, 2^{221002231011010} is an apocalyptic number.

221002231011010 is a deficient number, since it is larger than the sum of its proper divisors (176802025713662).

221002231011010 is a wasteful number, since it uses less digits than its factorization.

221002231011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13383609.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221002231011010 its reverse (10110132200122), we get a palindrome (231112363211132).

The spelling of 221002231011010 in words is "two hundred twenty-one trillion, two billion, two hundred thirty-one million, eleven thousand, ten".