2333021213421 has 6 divisors (see below), whose sum is σ = 3369919530510. Its totient is φ = 1555347475608.

The previous prime is 2333021213417. The next prime is 2333021213521. The reversal of 2333021213421 is 1243121203332.

2333021213421 is a `hidden beast` number, since 2 + 3 + 3 + 3 + 0 + 21 + 213 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1366759737225 + 966261476196 = 1169085^2 + 982986^2 .

It is not a de Polignac number, because 2333021213421 - 2² = 2333021213417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2333021213521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129612289626 + ... + 129612289643.

It is an arithmetic number, because the mean of its divisors is an integer number (561653255085).

Almost surely, 2^{2333021213421} is an apocalyptic number.

It is an amenable number.

2333021213421 is a deficient number, since it is larger than the sum of its proper divisors (1036898317089).

2333021213421 is a wasteful number, since it uses less digits than its factorization.

2333021213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259224579275 (or 259224579272 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2333021213421 its reverse (1243121203332), we get a palindrome (3576142416753).

The spelling of 2333021213421 in words is "two trillion, three hundred thirty-three billion, twenty-one million, two hundred thirteen thousand, four hundred twenty-one".