21300122133101 has 32 divisors (see below), whose sum is σ = 25263510650880. Its totient is φ = 17573358369600.

The previous prime is 21300122133077. The next prime is 21300122133113. The reversal of 21300122133101 is 10133122100312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21300122133101 - 2³⁸ = 21025244226157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300122133151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49029500 + ... + 49462026.

It is an arithmetic number, because the mean of its divisors is an integer number (789484707840).

Almost surely, 2^{21300122133101} is an apocalyptic number.

It is an amenable number.

21300122133101 is a deficient number, since it is larger than the sum of its proper divisors (3963388517779).

21300122133101 is a wasteful number, since it uses less digits than its factorization.

21300122133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433785.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21300122133101 its reverse (10133122100312), we get a palindrome (31433244233413).

The spelling of 21300122133101 in words is "twenty-one trillion, three hundred billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred one".