222121022122 has 8 divisors (see below), whose sum is σ = 343929324672. Its totient is φ = 107477913900.

The previous prime is 222121022117. The next prime is 222121022173. The reversal of 222121022122 is 221220121222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222121022122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1791298504 + ... + 1791298627.

It is an arithmetic number, because the mean of its divisors is an integer number (42991165584).

Almost surely, 2^222121022122 is an apocalyptic number.

222121022122 is a deficient number, since it is larger than the sum of its proper divisors (121808302550).

222121022122 is a wasteful number, since it uses less digits than its factorization.

222121022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582597164.

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

Adding to 222121022122 its reverse (221220121222), we get a palindrome (443341143344).

The spelling of 222121022122 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-two".