21333132033000 has 64 divisors (see below), whose sum is σ = 66559371952320. Its totient is φ = 5688835208000.

The previous prime is 21333132032969. The next prime is 21333132033007. The reversal of 21333132033000 is 33023133312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (21333132033007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555519006 + ... + 3555525005.

It is an arithmetic number, because the mean of its divisors is an integer number (1039990186755).

Almost surely, 2^{21333132033000} is an apocalyptic number.

21333132033000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333132033000 is an abundant number, since it is smaller than the sum of its proper divisors (45226239919320).

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

21333132033000 is a wasteful number, since it uses less digits than its factorization.

21333132033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111044035 (or 7111044021 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 21333132033000 its reverse (33023133312), we get a palindrome (21366155166312).

The spelling of 21333132033000 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred thirty-two million, thirty-three thousand".