21003234033000 has 64 divisors (see below), whose sum is σ = 65530090192320. Its totient is φ = 5600862408000.

The previous prime is 21003234032959. The next prime is 21003234033013. The reversal of 21003234033000 is 33043230012.

It is a super-2 number, since 2×21003234033000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3500536006 + ... + 3500542005.

It is an arithmetic number, because the mean of its divisors is an integer number (1023907659255).

Almost surely, 2^{21003234033000} is an apocalyptic number.

21003234033000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21003234033000 is an abundant number, since it is smaller than the sum of its proper divisors (44526856159320).

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

21003234033000 is a wasteful number, since it uses less digits than its factorization.

21003234033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001078035 (or 7001078021 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21003234033000 its reverse (33043230012), we get a palindrome (21036277263012).

The spelling of 21003234033000 in words is "twenty-one trillion, three billion, two hundred thirty-four million, thirty-three thousand".