21033021113300 has 36 divisors (see below), whose sum is σ = 52161892362720. Its totient is φ = 7211321524320.

The previous prime is 21033021113257. The next prime is 21033021113327. The reversal of 21033021113300 is 331112033012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15023585810 + ... + 15023587209.

It is an arithmetic number, because the mean of its divisors is an integer number (1448941454520).

Almost surely, 2^{21033021113300} is an apocalyptic number.

21033021113300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033021113300 is an abundant number, since it is smaller than the sum of its proper divisors (31128871249420).

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

21033021113300 is a wasteful number, since it uses less digits than its factorization.

21033021113300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047173040 (or 30047173033 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21033021113300 its reverse (331112033012), we get a palindrome (21364133146312).

The spelling of 21033021113300 in words is "twenty-one trillion, thirty-three billion, twenty-one million, one hundred thirteen thousand, three hundred".