1131012101112 has 64 divisors (see below), whose sum is σ = 2840606791680. Its totient is φ = 375260971392.

The previous prime is 1131012101101. The next prime is 1131012101147. The reversal of 1131012101112 is 2111012101311.

It is a junction number, because it is equal to n+sod(n) for n = 1131012101091 and 1131012101100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65055573 + ... + 65072955.

It is an arithmetic number, because the mean of its divisors is an integer number (44384481120).

Almost surely, 2^{1131012101112} is an apocalyptic number.

1131012101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131012101112 is an abundant number, since it is smaller than the sum of its proper divisors (1709594690568).

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

1131012101112 is a wasteful number, since it uses less digits than its factorization.

1131012101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29772 (or 29768 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1131012101112 its reverse (2111012101311), we get a palindrome (3242024202423).

The spelling of 1131012101112 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred one thousand, one hundred twelve".