221122202221122 has 32 divisors (see below), whose sum is σ = 460594096170624. Its totient is φ = 70705234051200.

The previous prime is 221122202221117. The next prime is 221122202221157.

It is a happy number.

221122202221122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221122202221092 and 221122202221101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7014392379 + ... + 7014423902.

It is an arithmetic number, because the mean of its divisors is an integer number (14393565505332).

Almost surely, 2^{221122202221122} is an apocalyptic number.

221122202221122 is an abundant number, since it is smaller than the sum of its proper divisors (239471893949502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221122202221122 is a wasteful number, since it uses less digits than its factorization.

221122202221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028816394.

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 22112220 and 2221122, that added together give a palindrome (24333342).

The spelling of 221122202221122 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".