1111022122012 has 12 divisors (see below), whose sum is σ = 2121042233016. Its totient is φ = 505010055440.

The previous prime is 1111022122009. The next prime is 1111022122033. The reversal of 1111022122012 is 2102212201111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12625251343 + ... + 12625251430.

It is an arithmetic number, because the mean of its divisors is an integer number (176753519418).

Almost surely, 2^{1111022122012} is an apocalyptic number.

It is an amenable number.

1111022122012 is a deficient number, since it is larger than the sum of its proper divisors (1010020111004).

1111022122012 is a wasteful number, since it uses less digits than its factorization.

1111022122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250502788 (or 25250502786 counting only the distinct ones).

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

Adding to 1111022122012 its reverse (2102212201111), we get a palindrome (3213234323123).

It can be divided in two parts, 11110 and 22122012, that added together give a palindrome (22133122).

The spelling of 1111022122012 in words is "one trillion, one hundred eleven billion, twenty-two million, one hundred twenty-two thousand, twelve".