21311200033332 has 48 divisors (see below), whose sum is σ = 54247219622400. Its totient is φ = 6457876472160.

The previous prime is 21311200033271. The next prime is 21311200033363. The reversal of 21311200033332 is 23333000211312.

It is a super-2 number, since 2×21311200033332² (a number of 27 digits) contains 22 as substring.

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, 13835919 + ... + 15298857.

It is an arithmetic number, because the mean of its divisors is an integer number (1130150408800).

Almost surely, 2^{21311200033332} is an apocalyptic number.

21311200033332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21311200033332 is an abundant number, since it is smaller than the sum of its proper divisors (32936019589068).

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

21311200033332 is a wasteful number, since it uses less digits than its factorization.

21311200033332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573316 (or 1573314 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21311200033332 its reverse (23333000211312), we get a palindrome (44644200244644).

The spelling of 21311200033332 in words is "twenty-one trillion, three hundred eleven billion, two hundred million, thirty-three thousand, three hundred thirty-two".