222001111222110 has 192 divisors, whose sum is σ = 680730682245120. Its totient is φ = 49607903658240.

The previous prime is 222001111222109. The next prime is 222001111222133. The reversal of 222001111222110 is 11222111100222.

222001111222110 is a `hidden beast` number, since 2 + 220 + 0 + 1 + 111 + 222 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158794462 + ... + 160186401.

It is an arithmetic number, because the mean of its divisors is an integer number (3545472303360).

Almost surely, 2^{222001111222110} is an apocalyptic number.

222001111222110 is an abundant number, since it is smaller than the sum of its proper divisors (458729571023010).

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

222001111222110 is a wasteful number, since it uses less digits than its factorization.

222001111222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318980943 (or 318980940 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222001111222110 its reverse (11222111100222), we get a palindrome (233223222322332).

It can be divided in two parts, 222001 and 111222110, that added together give a palindrome (111444111).

The spelling of 222001111222110 in words is "two hundred twenty-two trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred ten".