2121112230222 has 16 divisors (see below), whose sum is σ = 4242240883152. Its totient is φ = 707034672960.

The previous prime is 2121112230161. The next prime is 2121112230317. The reversal of 2121112230222 is 2220322111212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561972 + ... + 2584952.

It is an arithmetic number, because the mean of its divisors is an integer number (265140055197).

Almost surely, 2^{2121112230222} is an apocalyptic number.

2121112230222 is an abundant number, since it is smaller than the sum of its proper divisors (2121128652930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121112230222 is a wasteful number, since it uses less digits than its factorization.

2121112230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368563.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121112230222 its reverse (2220322111212), we get a palindrome (4341434341434).

The spelling of 2121112230222 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred thirty thousand, two hundred twenty-two".