21213233322030 has 24 divisors (see below), whose sum is σ = 55154406637512. Its totient is φ = 5656862219184.

The previous prime is 21213233321923. The next prime is 21213233322031. The reversal of 21213233322030 is 3022333231212.

21213233322030 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 323 + 332 + 2 + 0 + 3 + 0 = 666.

It is a super-3 number, since 3×21213233322030³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21213233321985 and 21213233322003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213233322031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117851296144 + ... + 117851296323.

It is an arithmetic number, because the mean of its divisors is an integer number (2298100276563).

Almost surely, 2^{21213233322030} is an apocalyptic number.

21213233322030 is an abundant number, since it is smaller than the sum of its proper divisors (33941173315482).

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

21213233322030 is a wasteful number, since it uses less digits than its factorization.

21213233322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235702592480 (or 235702592477 counting only the distinct ones).

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

Adding to 21213233322030 its reverse (3022333231212), we get a palindrome (24235566553242).

The spelling of 21213233322030 in words is "twenty-one trillion, two hundred thirteen billion, two hundred thirty-three million, three hundred twenty-two thousand, thirty".