21013233233202 has 256 divisors, whose sum is σ = 54559999180800. Its totient is φ = 5870721024000.

The previous prime is 21013233233183. The next prime is 21013233233231. The reversal of 21013233233202 is 20233233231012.

21013233233202 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 3 + 2 + 332 + 3 + 320 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4017055927 + ... + 4017061157.

It is an arithmetic number, because the mean of its divisors is an integer number (213124996800).

Almost surely, 2^{21013233233202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21013233233202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27279999590400).

21013233233202 is an abundant number, since it is smaller than the sum of its proper divisors (33546765947598).

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

21013233233202 is a wasteful number, since it uses less digits than its factorization.

21013233233202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230 (or 6224 counting only the distinct ones).

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

Adding to 21013233233202 its reverse (20233233231012), we get a palindrome (41246466464214).

The spelling of 21013233233202 in words is "twenty-one trillion, thirteen billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred two".