2123011031112 has 96 divisors (see below), whose sum is σ = 5759556828480. Its totient is φ = 706472807040.

The previous prime is 2123011031047. The next prime is 2123011031131. The reversal of 2123011031112 is 2111301103212.

2123011031112 is a `hidden beast` number, since 2 + 1 + 230 + 110 + 311 + 12 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289510998 + ... + 289518330.

It is an arithmetic number, because the mean of its divisors is an integer number (59995383630).

Almost surely, 2^{2123011031112} is an apocalyptic number.

It is an amenable number.

2123011031112 is an abundant number, since it is smaller than the sum of its proper divisors (3636545797368).

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

2123011031112 is a wasteful number, since it uses less digits than its factorization.

2123011031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603 (or 13596 counting only the distinct ones).

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

Adding to 2123011031112 its reverse (2111301103212), we get a palindrome (4234312134324).

The spelling of 2123011031112 in words is "two trillion, one hundred twenty-three billion, eleven million, thirty-one thousand, one hundred twelve".