1112100121222 has 4 divisors (see below), whose sum is σ = 1668150181836. Its totient is φ = 556050060610.

The previous prime is 1112100121211. The next prime is 1112100121343. The reversal of 1112100121222 is 2221210012111.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112100121196 and 1112100121205.

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, 278025030304 + ... + 278025030307.

It is an arithmetic number, because the mean of its divisors is an integer number (417037545459).

Almost surely, 2^{1112100121222} is an apocalyptic number.

1112100121222 is a deficient number, since it is larger than the sum of its proper divisors (556050060614).

1112100121222 is an equidigital number, since it uses as much as digits as its factorization.

1112100121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556050060613.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112100121222 its reverse (2221210012111), we get a palindrome (3333310133333).

The spelling of 1112100121222 in words is "one trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".