2122131231120 has 320 divisors, whose sum is σ = 6813486408960. Its totient is φ = 546019737600.

The previous prime is 2122131231097. The next prime is 2122131231127. The reversal of 2122131231120 is 211321312212.

It is not an unprimeable number, because it can be changed into a prime (2122131231127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 809663410 + ... + 809666030.

It is an arithmetic number, because the mean of its divisors is an integer number (21292145028).

Almost surely, 2^{2122131231120} is an apocalyptic number.

2122131231120 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 2122131231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406743204480).

2122131231120 is an abundant number, since it is smaller than the sum of its proper divisors (4691355177840).

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

2122131231120 is a wasteful number, since it uses less digits than its factorization.

2122131231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2122131231120 its reverse (211321312212), we get a palindrome (2333452543332).

The spelling of 2122131231120 in words is "two trillion, one hundred twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty".