21333322221030 has 48 divisors (see below), whose sum is σ = 55475475732144. Its totient is φ = 5687979468480.

The previous prime is 21333322221011. The next prime is 21333322221031. The reversal of 21333322221030 is 3012222333312.

21333322221030 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 332 + 222 + 103 + 0 = 666.

It is a super-2 number, since 2×21333322221030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21333322220985 and 21333322221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333322221031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18316456 + ... + 19446315.

It is an arithmetic number, because the mean of its divisors is an integer number (1155739077753).

Almost surely, 2^{21333322221030} is an apocalyptic number.

21333322221030 is an abundant number, since it is smaller than the sum of its proper divisors (34142153511114).

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

21333322221030 is a wasteful number, since it uses less digits than its factorization.

21333322221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37769061 (or 37769058 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21333322221030 its reverse (3012222333312), we get a palindrome (24345544554342).

The spelling of 21333322221030 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, thirty".