2131123333120 has 48 divisors (see below), whose sum is σ = 5113447318980. Its totient is φ = 852449329152.

The previous prime is 2131123333109. The next prime is 2131123333147. The reversal of 2131123333120 is 213333211312.

It can be written as a sum of positive squares in 2 ways, for example, as 1720252589056 + 410870744064 = 1311584^2 + 640992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104048517 + ... + 104068996.

Almost surely, 2^{2131123333120} is an apocalyptic number.

2131123333120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131123333120 is an abundant number, since it is smaller than the sum of its proper divisors (2982323985860).

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

2131123333120 is an equidigital number, since it uses as much as digits as its factorization.

2131123333120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208117540 (or 208117520 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2131123333120 its reverse (213333211312), we get a palindrome (2344456544432).

The spelling of 2131123333120 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred twenty".