21021201312333 has 8 divisors (see below), whose sum is σ = 28785789184608. Its totient is φ = 13635373824144.

The previous prime is 21021201312323. The next prime is 21021201312337. The reversal of 21021201312333 is 33321310212012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21021201312333 - 2²⁹ = 21020664441421 is a prime.

It is a super-2 number, since 2×21021201312333² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21021201312337) 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, 94690095891 + ... + 94690096112.

It is an arithmetic number, because the mean of its divisors is an integer number (3598223648076).

Almost surely, 2^{21021201312333} is an apocalyptic number.

It is an amenable number.

21021201312333 is a deficient number, since it is larger than the sum of its proper divisors (7764587872275).

21021201312333 is a wasteful number, since it uses less digits than its factorization.

21021201312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189380192043.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21021201312333 its reverse (33321310212012), we get a palindrome (54342511524345).

The spelling of 21021201312333 in words is "twenty-one trillion, twenty-one billion, two hundred one million, three hundred twelve thousand, three hundred thirty-three".