222222010201021 has 4 divisors (see below), whose sum is σ = 222227596656000. Its totient is φ = 222216423746044.

The previous prime is 222222010200919. The next prime is 222222010201027. The reversal of 222222010201021 is 120102010222222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222222010201021 - 2³³ = 222213420266429 is a prime.

It is a super-3 number, since 3×222222010201021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222222010201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222010201027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793167821 + ... + 2793247378.

It is an arithmetic number, because the mean of its divisors is an integer number (55556899164000).

Almost surely, 2^{222222010201021} is an apocalyptic number.

It is an amenable number.

222222010201021 is a deficient number, since it is larger than the sum of its proper divisors (5586454979).

222222010201021 is an equidigital number, since it uses as much as digits as its factorization.

222222010201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586454978.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222222010201021 its reverse (120102010222222), we get a palindrome (342324020423243).

The spelling of 222222010201021 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, ten million, two hundred one thousand, twenty-one".