222221101122201 has 8 divisors (see below), whose sum is σ = 296567381814784. Its totient is φ = 148011110588880.

The previous prime is 222221101122149. The next prime is 222221101122301. The reversal of 222221101122201 is 102221101122222.

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

It is not a de Polignac number, because 222221101122201 - 2⁹ = 222221101121689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221101122301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34072536010 + ... + 34072542531.

It is an arithmetic number, because the mean of its divisors is an integer number (37070922726848).

Almost surely, 2^{222221101122201} is an apocalyptic number.

It is an amenable number.

222221101122201 is a deficient number, since it is larger than the sum of its proper divisors (74346280692583).

222221101122201 is a wasteful number, since it uses less digits than its factorization.

222221101122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68145079631.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222221101122201 its sum of digits (21), we get a palindrome (222221101122222).

Adding to 222221101122201 its reverse (102221101122222), we get a palindrome (324442202244423).

The spelling of 222221101122201 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred one".