222010222102021 has 4 divisors (see below), whose sum is σ = 222260515476192. Its totient is φ = 221759928727852.

The previous prime is 222010222101971. The next prime is 222010222102043. The reversal of 222010222102021 is 120201222010222.

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 222010222102021 - 2³³ = 222001632167429 is a prime.

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 222010222102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010222132021) 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, 125146685755 + ... + 125146687528.

It is an arithmetic number, because the mean of its divisors is an integer number (55565128869048).

Almost surely, 2^{222010222102021} is an apocalyptic number.

It is an amenable number.

222010222102021 is a deficient number, since it is larger than the sum of its proper divisors (250293374171).

222010222102021 is an equidigital number, since it uses as much as digits as its factorization.

222010222102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250293374170.

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

Adding to 222010222102021 its reverse (120201222010222), we get a palindrome (342211444112243).

The spelling of 222010222102021 in words is "two hundred twenty-two trillion, ten billion, two hundred twenty-two million, one hundred two thousand, twenty-one".