222021111021 has 8 divisors (see below), whose sum is σ = 296057966304. Its totient is φ = 147999164880.

The previous prime is 222021110981. The next prime is 222021111023. The reversal of 222021111021 is 120111120222.

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

It is not a de Polignac number, because 222021111021 - 2⁷ = 222021110893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021111023) 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, 3692491 + ... + 3752136.

It is an arithmetic number, because the mean of its divisors is an integer number (37007245788).

Almost surely, 2^222021111021 is an apocalyptic number.

It is an amenable number.

222021111021 is a deficient number, since it is larger than the sum of its proper divisors (74036855283).

222021111021 is an equidigital number, since it uses as much as digits as its factorization.

222021111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454571.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222021111021 its reverse (120111120222), we get a palindrome (342132231243).

The spelling of 222021111021 in words is "two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, twenty-one".