2123111320032 has 96 divisors (see below), whose sum is σ = 5597185974912. Its totient is φ = 704660166144.

The previous prime is 2123111319991. The next prime is 2123111320081. The reversal of 2123111320032 is 2300231113212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2123111319990 and 2123111320008.

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, 21407583 + ... + 21506529.

It is an arithmetic number, because the mean of its divisors is an integer number (58304020572).

Almost surely, 2^{2123111320032} is an apocalyptic number.

It is an amenable number.

2123111320032 is an abundant number, since it is smaller than the sum of its proper divisors (3474074654880).

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

2123111320032 is a wasteful number, since it uses less digits than its factorization.

2123111320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99920 (or 99912 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2123111320032 its reverse (2300231113212), we get a palindrome (4423342433244).

The spelling of 2123111320032 in words is "two trillion, one hundred twenty-three billion, one hundred eleven million, three hundred twenty thousand, thirty-two".