21333111134000 has 80 divisors (see below), whose sum is σ = 52309990714176. Its totient is φ = 8413057856000.

The previous prime is 21333111133987. The next prime is 21333111134053. The reversal of 21333111134000 is 43111133312.

It is a tau number, because it is divible by the number of its divisors (80).

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, 74974589 + ... + 75258588.

Almost surely, 2^{21333111134000} is an apocalyptic number.

21333111134000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333111134000 is an abundant number, since it is smaller than the sum of its proper divisors (30976879580176).

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

21333111134000 is a wasteful number, since it uses less digits than its factorization.

21333111134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150233271 (or 150233255 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21333111134000 its reverse (43111133312), we get a palindrome (21376222267312).

The spelling of 21333111134000 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred eleven million, one hundred thirty-four thousand".