21230022235326 has 16 divisors (see below), whose sum is σ = 43829723324928. Its totient is φ = 6848394269400.

The previous prime is 21230022235309. The next prime is 21230022235333. The reversal of 21230022235326 is 62353222003212.

It is a super-2 number, since 2×21230022235326² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57069952060 + ... + 57069952431.

It is an arithmetic number, because the mean of its divisors is an integer number (2739357707808).

Almost surely, 2^{21230022235326} is an apocalyptic number.

21230022235326 is an abundant number, since it is smaller than the sum of its proper divisors (22599701089602).

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

21230022235326 is a wasteful number, since it uses less digits than its factorization.

21230022235326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114139904527.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 21230022235326 its reverse (62353222003212), we get a palindrome (83583244238538).

The spelling of 21230022235326 in words is "twenty-one trillion, two hundred thirty billion, twenty-two million, two hundred thirty-five thousand, three hundred twenty-six".