222213111121 has 8 divisors (see below), whose sum is σ = 224099143488. Its totient is φ = 220329954000.

The previous prime is 222213111097. The next prime is 222213111151. The reversal of 222213111121 is 121111312222.

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

It is a cyclic number.

It is not a de Polignac number, because 222213111121 - 2⁷ = 222213110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222213111151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563445 + ... + 872866.

It is an arithmetic number, because the mean of its divisors is an integer number (28012392936).

Almost surely, 2^222213111121 is an apocalyptic number.

It is an amenable number.

222213111121 is a deficient number, since it is larger than the sum of its proper divisors (1886032367).

222213111121 is a wasteful number, since it uses less digits than its factorization.

222213111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437623.

The product of its digits is 96, while the sum is 19.

Adding to 222213111121 its reverse (121111312222), we get a palindrome (343324423343).

The spelling of 222213111121 in words is "two hundred twenty-two billion, two hundred thirteen million, one hundred eleven thousand, one hundred twenty-one".