21322313233110 has 128 divisors (see below), whose sum is σ = 58563579312000. Its totient is φ = 5516423170560.

The previous prime is 21322313233063. The next prime is 21322313233127. The reversal of 21322313233110 is 1133231322312.

21322313233110 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 313 + 2 + 331 + 10 = 666.

It is a super-2 number, since 2×21322313233110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 428680 + ... + 6544340.

It is an arithmetic number, because the mean of its divisors is an integer number (457527963375).

Almost surely, 2^{21322313233110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21322313233110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29281789656000).

21322313233110 is an abundant number, since it is smaller than the sum of its proper divisors (37241266078890).

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

21322313233110 is a wasteful number, since it uses less digits than its factorization.

21322313233110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116063 (or 6116057 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 21322313233110 its reverse (1133231322312), we get a palindrome (22455544555422).

The spelling of 21322313233110 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred thirteen million, two hundred thirty-three thousand, one hundred ten".