21233213310000 has 200 divisors, whose sum is σ = 70396178249584. Its totient is φ = 5509157760000.

The previous prime is 21233213309933. The next prime is 21233213310007. The reversal of 21233213310000 is 1331233212.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×21233213310000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21233213310007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8454511 + ... + 10674510.

Almost surely, 2^{21233213310000} is an apocalyptic number.

21233213310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233213310000 is an abundant number, since it is smaller than the sum of its proper divisors (49162964939584).

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

21233213310000 is a wasteful number, since it uses less digits than its factorization.

21233213310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129089 (or 19129068 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21233213310000 its reverse (1331233212), we get a palindrome (21234544543212).

The spelling of 21233213310000 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred thirteen million, three hundred ten thousand".