21033233213000 has 32 divisors (see below), whose sum is σ = 49217765720760. Its totient is φ = 8413293284800.

The previous prime is 21033233212991. The next prime is 21033233213023. The reversal of 21033233213000 is 31233233012.

It can be written as a sum of positive squares in 4 ways, for example, as 680846117956 + 20352387095044 = 825134^2 + 4511362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10516615607 + ... + 10516617606.

Almost surely, 2^{21033233213000} is an apocalyptic number.

21033233213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033233213000 is an abundant number, since it is smaller than the sum of its proper divisors (28184532507760).

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

21033233213000 is a wasteful number, since it uses less digits than its factorization.

21033233213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033233234 (or 21033233220 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21033233213000 its reverse (31233233012), we get a palindrome (21064466446012).

The spelling of 21033233213000 in words is "twenty-one trillion, thirty-three billion, two hundred thirty-three million, two hundred thirteen thousand".