1102131231112 has 16 divisors (see below), whose sum is σ = 2066508195840. Its totient is φ = 551062378896.

The previous prime is 1102131231083. The next prime is 1102131231133. The reversal of 1102131231112 is 2111321312011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102131231112.

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, 1665873 + ... + 2231455.

It is an arithmetic number, because the mean of its divisors is an integer number (129156762240).

Almost surely, 2^{1102131231112} is an apocalyptic number.

It is an amenable number.

1102131231112 is a deficient number, since it is larger than the sum of its proper divisors (964376964728).

1102131231112 is a wasteful number, since it uses less digits than its factorization.

1102131231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809172 (or 809168 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1102131231112 its reverse (2111321312011), we get a palindrome (3213452543123).

The spelling of 1102131231112 in words is "one trillion, one hundred two billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred twelve".