2123220113140 has 96 divisors (see below), whose sum is σ = 5272087564800. Its totient is φ = 702773137920.

The previous prime is 2123220113101. The next prime is 2123220113153. The reversal of 2123220113140 is 413110223212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39066585 + ... + 39120895.

It is an arithmetic number, because the mean of its divisors is an integer number (54917578800).

Almost surely, 2^{2123220113140} is an apocalyptic number.

2123220113140 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 2123220113140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636043782400).

2123220113140 is an abundant number, since it is smaller than the sum of its proper divisors (3148867451660).

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

2123220113140 is a wasteful number, since it uses less digits than its factorization.

2123220113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63985 (or 63983 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2123220113140 its reverse (413110223212), we get a palindrome (2536330336352).

The spelling of 2123220113140 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, one hundred thirteen thousand, one hundred forty".