3300021002120 has 32 divisors (see below), whose sum is σ = 7431742618200. Its totient is φ = 1318818114048.

The previous prime is 3300021002051. The next prime is 3300021002123. The reversal of 3300021002120 is 212001200033.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1069855098244 + 2230165903876 = 1034338^2 + 1493374^2 .

It is a super-2 number, since 2×3300021002120² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3300021002095 and 3300021002104.

It is not an unprimeable number, because it can be changed into a prime (3300021002123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37151549 + ... + 37240268.

Almost surely, 2^{3300021002120} is an apocalyptic number.

It is an amenable number.

3300021002120 is an abundant number, since it is smaller than the sum of its proper divisors (4131721616080).

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

3300021002120 is a wasteful number, since it uses less digits than its factorization.

3300021002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74392937 (or 74392933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 3300021002120 its reverse (212001200033), we get a palindrome (3512022202153).

The spelling of 3300021002120 in words is "three trillion, three hundred billion, twenty-one million, two thousand, one hundred twenty".