1112123222222 has 4 divisors (see below), whose sum is σ = 1668184833336. Its totient is φ = 556061611110.

The previous prime is 1112123222209. The next prime is 1112123222263. The reversal of 1112123222222 is 2222223212111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1112123222222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278030805554 + ... + 278030805557.

It is an arithmetic number, because the mean of its divisors is an integer number (417046208334).

Almost surely, 2^{1112123222222} is an apocalyptic number.

1112123222222 is a deficient number, since it is larger than the sum of its proper divisors (556061611114).

1112123222222 is an equidigital number, since it uses as much as digits as its factorization.

1112123222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556061611113.

The product of its digits is 768, while the sum is 23.

Adding to 1112123222222 its reverse (2222223212111), we get a palindrome (3334346434333).

The spelling of 1112123222222 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-two".