2133221321320 has 16 divisors (see below), whose sum is σ = 4799747973060. Its totient is φ = 853288528512.

The previous prime is 2133221321311. The next prime is 2133221321339. The reversal of 2133221321320 is 231231223312.

It can be written as a sum of positive squares in 2 ways, for example, as 2035581320644 + 97640000676 = 1426738^2 + 312474^2 .

It is a super-3 number, since 3×2133221321320³ (a number of 38 digits) contains 333 as substring.

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, 26665266477 + ... + 26665266556.

Almost surely, 2^{2133221321320} is an apocalyptic number.

2133221321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133221321320 is an abundant number, since it is smaller than the sum of its proper divisors (2666526651740).

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

2133221321320 is a wasteful number, since it uses less digits than its factorization.

2133221321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330533044 (or 53330533040 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2133221321320 its reverse (231231223312), we get a palindrome (2364452544632).

The spelling of 2133221321320 in words is "two trillion, one hundred thirty-three billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty".