21023401422101 has 8 divisors (see below), whose sum is σ = 22657751128320. Its totient is φ = 19391503856112.

The previous prime is 21023401422073. The next prime is 21023401422151. The reversal of 21023401422101 is 10122410432012.

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 21023401422101 - 2¹⁴ = 21023401405717 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 (21023401422151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613017245 + ... + 613051538.

It is an arithmetic number, because the mean of its divisors is an integer number (2832218891040).

Almost surely, 2^{21023401422101} is an apocalyptic number.

It is an amenable number.

21023401422101 is a deficient number, since it is larger than the sum of its proper divisors (1634349706219).

21023401422101 is a wasteful number, since it uses less digits than its factorization.

21023401422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226070115.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21023401422101 its reverse (10122410432012), we get a palindrome (31145811854113).

The spelling of 21023401422101 in words is "twenty-one trillion, twenty-three billion, four hundred one million, four hundred twenty-two thousand, one hundred one".