21333202201023 has 32 divisors (see below), whose sum is σ = 30905505650880. Its totient is φ = 13036428656640.

The previous prime is 21333202201009. The next prime is 21333202201027. The reversal of 21333202201023 is 32010220233312.

It is not a de Polignac number, because 21333202201023 - 2⁴ = 21333202201007 is a prime.

It is a super-2 number, since 2×21333202201023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21333202200984 and 21333202201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333202201027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7634388 + ... + 10047401.

It is an arithmetic number, because the mean of its divisors is an integer number (965797051590).

Almost surely, 2^{21333202201023} is an apocalyptic number.

21333202201023 is a deficient number, since it is larger than the sum of its proper divisors (9572303449857).

21333202201023 is a wasteful number, since it uses less digits than its factorization.

21333202201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17682427.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21333202201023 its reverse (32010220233312), we get a palindrome (53343422434335).

The spelling of 21333202201023 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred two million, two hundred one thousand, twenty-three".