1101232031112 has 96 divisors (see below), whose sum is σ = 3089576763000. Its totient is φ = 354100285440.

The previous prime is 1101232031111. The next prime is 1101232031129. The reversal of 1101232031112 is 2111302321011.

1101232031112 is a `hidden beast` number, since 1 + 10 + 12 + 320 + 311 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 817349797476 + 283882233636 = 904074^2 + 532806^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1101232031111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1833037 + ... + 2358492.

Almost surely, 2^{1101232031112} is an apocalyptic number.

1101232031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101232031112 is an abundant number, since it is smaller than the sum of its proper divisors (1988344731888).

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

1101232031112 is a wasteful number, since it uses less digits than its factorization.

1101232031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191671 (or 4191664 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1101232031112 its reverse (2111302321011), we get a palindrome (3212534352123).

The spelling of 1101232031112 in words is "one trillion, one hundred one billion, two hundred thirty-two million, thirty-one thousand, one hundred twelve".