22212111222110 has 8 divisors (see below), whose sum is σ = 39981800199816. Its totient is φ = 8884844488840.

The previous prime is 22212111222061. The next prime is 22212111222137. The reversal of 22212111222110 is 1122211121222.

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

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, 1110605561096 + ... + 1110605561115.

It is an arithmetic number, because the mean of its divisors is an integer number (4997725024977).

Almost surely, 2^{22212111222110} is an apocalyptic number.

22212111222110 is a deficient number, since it is larger than the sum of its proper divisors (17769688977706).

22212111222110 is a wasteful number, since it uses less digits than its factorization.

22212111222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221211122218.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22212111222110 its reverse (1122211121222), we get a palindrome (23334322343332).

The spelling of 22212111222110 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty-two thousand, one hundred ten".