21112133220101 has 8 divisors (see below), whose sum is σ = 26321620638144. Its totient is φ = 16451012898720.

The previous prime is 21112133220077. The next prime is 21112133220103. The reversal of 21112133220101 is 10102233121112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21112133220101 - 2¹⁴ = 21112133203717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112133220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137091774080 + ... + 137091774233.

It is an arithmetic number, because the mean of its divisors is an integer number (3290202579768).

Almost surely, 2^{21112133220101} is an apocalyptic number.

It is an amenable number.

21112133220101 is a deficient number, since it is larger than the sum of its proper divisors (5209487418043).

21112133220101 is a wasteful number, since it uses less digits than its factorization.

21112133220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274183548331.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21112133220101 its reverse (10102233121112), we get a palindrome (31214366341213).

The spelling of 21112133220101 in words is "twenty-one trillion, one hundred twelve billion, one hundred thirty-three million, two hundred twenty thousand, one hundred one".