21333000221112 has 64 divisors (see below), whose sum is σ = 55798142688000. Its totient is φ = 6783879320064.

The previous prime is 21333000221077. The next prime is 21333000221123. The reversal of 21333000221112 is 21112200033312.

It is a congruent number.

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, 50775937 + ... + 51194352.

It is an arithmetic number, because the mean of its divisors is an integer number (871845979500).

Almost surely, 2^{21333000221112} is an apocalyptic number.

It is an amenable number.

21333000221112 is an abundant number, since it is smaller than the sum of its proper divisors (34465142466888).

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

21333000221112 is a wasteful number, since it uses less digits than its factorization.

21333000221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101970700 (or 101970696 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21333000221112 its reverse (21112200033312), we get a palindrome (42445200254424).

The spelling of 21333000221112 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred twenty-one thousand, one hundred twelve".