2123101120320 has 336 divisors, whose sum is σ = 7549676105088. Its totient is φ = 547206451200.

The previous prime is 2123101120319. The next prime is 2123101120331. The reversal of 2123101120320 is 230211013212.

2123101120320 is a `hidden beast` number, since 2 + 1 + 2 + 310 + 11 + 20 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2123101120293 and 2123101120302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16024587 + ... + 16156533.

Almost surely, 2^{2123101120320} is an apocalyptic number.

2123101120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123101120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3774838052544).

2123101120320 is an abundant number, since it is smaller than the sum of its proper divisors (5426574984768).

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

2123101120320 is a wasteful number, since it uses less digits than its factorization.

2123101120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132158 (or 132145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2123101120320 its reverse (230211013212), we get a palindrome (2353312133532).

The spelling of 2123101120320 in words is "two trillion, one hundred twenty-three billion, one hundred one million, one hundred twenty thousand, three hundred twenty".