111110102221222 has 16 divisors (see below), whose sum is σ = 179596411792560. Its totient is φ = 51249910768992.

The previous prime is 111110102221211. The next prime is 111110102221229. The reversal of 111110102221222 is 222122201011111.

It is a happy number.

It is a super-2 number, since 2×111110102221222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111110102221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110102221229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319743413 + ... + 1319827600.

It is an arithmetic number, because the mean of its divisors is an integer number (11224775737035).

Almost surely, 2^{111110102221222} is an apocalyptic number.

111110102221222 is a deficient number, since it is larger than the sum of its proper divisors (68486309571338).

111110102221222 is a wasteful number, since it uses less digits than its factorization.

111110102221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639572647.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111110102221222 its reverse (222122201011111), we get a palindrome (333232303232333).

The spelling of 111110102221222 in words is "one hundred eleven trillion, one hundred ten billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-two".