222121021011022 has 32 divisors (see below), whose sum is σ = 393064108867584. Its totient is φ = 92123451014400.

The previous prime is 222121021011007. The next prime is 222121021011061. The reversal of 222121021011022 is 220110120121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90322947 + ... + 92749537.

It is an arithmetic number, because the mean of its divisors is an integer number (12283253402112).

Almost surely, 2^{222121021011022} is an apocalyptic number.

222121021011022 is a deficient number, since it is larger than the sum of its proper divisors (170943087856562).

222121021011022 is a wasteful number, since it uses less digits than its factorization.

222121021011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637544.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222121021011022 its reverse (220110120121222), we get a palindrome (442231141132244).

The spelling of 222121021011022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, twenty-one million, eleven thousand, twenty-two".