2133344121220 has 96 divisors (see below), whose sum is σ = 5142728556000. Its totient is φ = 736385409024.

The previous prime is 2133344121217. The next prime is 2133344121247. The reversal of 2133344121220 is 221214433312.

It can be written as a sum of positive squares in 16 ways, for example, as 1131619378176 + 1001724743044 = 1063776^2 + 1000862^2 .

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, 961075 + ... + 2278234.

It is an arithmetic number, because the mean of its divisors is an integer number (53570089125).

Almost surely, 2^{2133344121220} is an apocalyptic number.

2133344121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133344121220 is an abundant number, since it is smaller than the sum of its proper divisors (3009384434780).

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

2133344121220 is a wasteful number, since it uses less digits than its factorization.

2133344121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239497 (or 3239495 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2133344121220 its reverse (221214433312), we get a palindrome (2354558554532).

The spelling of 2133344121220 in words is "two trillion, one hundred thirty-three billion, three hundred forty-four million, one hundred twenty-one thousand, two hundred twenty".