2121110002222 has 8 divisors (see below), whose sum is σ = 3349121056200. Its totient is φ = 1004736316824.

The previous prime is 2121110002181. The next prime is 2121110002261. The reversal of 2121110002222 is 2222000111212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2121110002196 and 2121110002205.

It is a congruent number.

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, 27909342097 + ... + 27909342172.

It is an arithmetic number, because the mean of its divisors is an integer number (418640132025).

Almost surely, 2^{2121110002222} is an apocalyptic number.

2121110002222 is a deficient number, since it is larger than the sum of its proper divisors (1228011053978).

2121110002222 is a wasteful number, since it uses less digits than its factorization.

2121110002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55818684290.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121110002222 its reverse (2222000111212), we get a palindrome (4343110113434).

The spelling of 2121110002222 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, two thousand, two hundred twenty-two".