21141133312 has 48 divisors (see below), whose sum is σ = 45523689120. Its totient is φ = 9757433856.

The previous prime is 21141133249. The next prime is 21141133327. The reversal of 21141133312 is 21333114112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370408 + ... + 423655.

It is an arithmetic number, because the mean of its divisors is an integer number (948410190).

Almost surely, 2^21141133312 is an apocalyptic number.

It is an amenable number.

21141133312 is an abundant number, since it is smaller than the sum of its proper divisors (24382555808).

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

21141133312 is an equidigital number, since it uses as much as digits as its factorization.

21141133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794098 (or 794078 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 21141133312 its reverse (21333114112), we get a palindrome (42474247424).

The spelling of 21141133312 in words is "twenty-one billion, one hundred forty-one million, one hundred thirty-three thousand, three hundred twelve".