21202323121033 has 8 divisors (see below), whose sum is σ = 21217255675200. Its totient is φ = 21187392278448.

The previous prime is 21202323120949. The next prime is 21202323121079. The reversal of 21202323121033 is 33012132320212.

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

It is a cyclic number.

It is not a de Polignac number, because 21202323121033 - 2²⁹ = 21201786250121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202323120989 and 21202323121007.

It is not an unprimeable number, because it can be changed into a prime (21202323121093) 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, 24882010 + ... + 25720012.

It is an arithmetic number, because the mean of its divisors is an integer number (2652156959400).

Almost surely, 2^{21202323121033} is an apocalyptic number.

It is an amenable number.

21202323121033 is a deficient number, since it is larger than the sum of its proper divisors (14932554167).

21202323121033 is a wasteful number, since it uses less digits than its factorization.

21202323121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855791.

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

Adding to 21202323121033 its reverse (33012132320212), we get a palindrome (54214455441245).

The spelling of 21202323121033 in words is "twenty-one trillion, two hundred two billion, three hundred twenty-three million, one hundred twenty-one thousand, thirty-three".