1311102223112 has 16 divisors (see below), whose sum is σ = 2681800002000. Its totient is φ = 595955555920.

The previous prime is 1311102223049. The next prime is 1311102223121. The reversal of 1311102223112 is 2113222011131.

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, 7449444362 + ... + 7449444537.

It is an arithmetic number, because the mean of its divisors is an integer number (167612500125).

Almost surely, 2^{1311102223112} is an apocalyptic number.

It is an amenable number.

1311102223112 is an abundant number, since it is smaller than the sum of its proper divisors (1370697778888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311102223112 is a wasteful number, since it uses less digits than its factorization.

1311102223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898888916 (or 14898888912 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1311102223112 its reverse (2113222011131), we get a palindrome (3424324234243).

The spelling of 1311102223112 in words is "one trillion, three hundred eleven billion, one hundred two million, two hundred twenty-three thousand, one hundred twelve".