1111112120222 has 64 divisors (see below), whose sum is σ = 1844474696064. Its totient is φ = 498873876480.

The previous prime is 1111112120213. The next prime is 1111112120233. The reversal of 1111112120222 is 2220212111111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111112120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60334688 + ... + 60353100.

It is an arithmetic number, because the mean of its divisors is an integer number (28819917126).

Almost surely, 2^{1111112120222} is an apocalyptic number.

1111112120222 is a deficient number, since it is larger than the sum of its proper divisors (733362575842).

1111112120222 is a wasteful number, since it uses less digits than its factorization.

1111112120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111112120222 its reverse (2220212111111), we get a palindrome (3331324231333).

The spelling of 1111112120222 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-two".