1112123221222 has 16 divisors (see below), whose sum is σ = 1797309923472. Its totient is φ = 513058160160.

The previous prime is 1112123221201. The next prime is 1112123221243. The reversal of 1112123221222 is 2221223212111.

It is an interprime number because it is at equal distance from previous prime (1112123221201) and next prime (1112123221243).

It is a junction number, because it is equal to n+sod(n) for n = 1112123221193 and 1112123221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9502404 + ... + 9618727.

It is an arithmetic number, because the mean of its divisors is an integer number (112331870217).

Almost surely, 2^{1112123221222} is an apocalyptic number.

1112123221222 is a deficient number, since it is larger than the sum of its proper divisors (685186702250).

1112123221222 is a wasteful number, since it uses less digits than its factorization.

1112123221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19123383.

The product of its digits is 384, while the sum is 22.

Adding to 1112123221222 its reverse (2221223212111), we get a palindrome (3333346433333).

The spelling of 1112123221222 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".