2121233022222 has 32 divisors (see below), whose sum is σ = 4249969495200. Its totient is φ = 705827297280.

The previous prime is 2121233022163. The next prime is 2121233022239. The reversal of 2121233022222 is 2222203321212.

It is a junction number, because it is equal to n+sod(n) for n = 2121233022192 and 2121233022201.

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, 80187654 + ... + 80214102.

It is an arithmetic number, because the mean of its divisors is an integer number (132811546725).

Almost surely, 2^{2121233022222} is an apocalyptic number.

2121233022222 is an abundant number, since it is smaller than the sum of its proper divisors (2128736472978).

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

2121233022222 is a wasteful number, since it uses less digits than its factorization.

2121233022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49588.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2121233022222 its reverse (2222203321212), we get a palindrome (4343436343434).

The spelling of 2121233022222 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, twenty-two thousand, two hundred twenty-two".