2123110011112 has 16 divisors (see below), whose sum is σ = 3991503746340. Its totient is φ = 1058709012096.

The previous prime is 2123110011109. The next prime is 2123110011149. The reversal of 2123110011112 is 2111100113212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2046919658436 + 76190352676 = 1430706^2 + 276026^2 .

It is a super-3 number, since 3×2123110011112³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355746013 + ... + 355751980.

Almost surely, 2^{2123110011112} is an apocalyptic number.

It is an amenable number.

2123110011112 is a deficient number, since it is larger than the sum of its proper divisors (1868393735228).

2123110011112 is a wasteful number, since it uses less digits than its factorization.

2123110011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711498372 (or 711498368 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2123110011112 its reverse (2111100113212), we get a palindrome (4234210124324).

The spelling of 2123110011112 in words is "two trillion, one hundred twenty-three billion, one hundred ten million, eleven thousand, one hundred twelve".