21211301012023 has 8 divisors (see below), whose sum is σ = 21527982748800. Its totient is φ = 20894622074040.

The previous prime is 21211301011987. The next prime is 21211301012063. The reversal of 21211301012023 is 32021010311212.

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 21211301012023 - 2¹⁷ = 21211300880951 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 (21211301012063) 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, 18456768 + ... + 19572298.

It is an arithmetic number, because the mean of its divisors is an integer number (2690997843600).

Almost surely, 2^{21211301012023} is an apocalyptic number.

21211301012023 is a deficient number, since it is larger than the sum of its proper divisors (316681736777).

21211301012023 is a wasteful number, since it uses less digits than its factorization.

21211301012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399397.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21211301012023 its reverse (32021010311212), we get a palindrome (53232311323235).

The spelling of 21211301012023 in words is "twenty-one trillion, two hundred eleven billion, three hundred one million, twelve thousand, twenty-three".