21233011330302 has 16 divisors (see below), whose sum is σ = 42466194571152. Its totient is φ = 7077641791680.

The previous prime is 21233011330277. The next prime is 21233011330339. The reversal of 21233011330302 is 20303311033212.

It is a super-2 number, since 2×21233011330302² (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, 5528599 + ... + 8545842.

It is an arithmetic number, because the mean of its divisors is an integer number (2654137160697).

Almost surely, 2^{21233011330302} is an apocalyptic number.

21233011330302 is an abundant number, since it is smaller than the sum of its proper divisors (21233183240850).

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

21233011330302 is a wasteful number, since it uses less digits than its factorization.

21233011330302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325883.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21233011330302 its reverse (20303311033212), we get a palindrome (41536322363514).

The spelling of 21233011330302 in words is "twenty-one trillion, two hundred thirty-three billion, eleven million, three hundred thirty thousand, three hundred two".