2120321533310 has 32 divisors (see below), whose sum is σ = 3863423208960. Its totient is φ = 837723295008.

The previous prime is 2120321533307. The next prime is 2120321533367. The reversal of 2120321533310 is 133351230212.

It is a super-2 number, since 2×2120321533310² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120321533310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3468119 + ... + 4033421.

It is an arithmetic number, because the mean of its divisors is an integer number (120731975280).

Almost surely, 2^{2120321533310} is an apocalyptic number.

2120321533310 is a deficient number, since it is larger than the sum of its proper divisors (1743101675650).

2120321533310 is a wasteful number, since it uses less digits than its factorization.

2120321533310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569912.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 2120321533310 its reverse (133351230212), we get a palindrome (2253672763522).

The spelling of 2120321533310 in words is "two trillion, one hundred twenty billion, three hundred twenty-one million, five hundred thirty-three thousand, three hundred ten".