1122111110012 has 24 divisors (see below), whose sum is σ = 1988183232000. Its totient is φ = 554064403376.

The previous prime is 1122111110009. The next prime is 1122111110033. The reversal of 1122111110012 is 2100111112211.

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, 92039 + ... + 1500897.

It is an arithmetic number, because the mean of its divisors is an integer number (82840968000).

Almost surely, 2^{1122111110012} is an apocalyptic number.

It is an amenable number.

1122111110012 is a deficient number, since it is larger than the sum of its proper divisors (866072121988).

1122111110012 is a wasteful number, since it uses less digits than its factorization.

1122111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411345 (or 1411343 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122111110012 its reverse (2100111112211), we get a palindrome (3222222222223).

The spelling of 1122111110012 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, twelve".