21320023102301 has 32 divisors (see below), whose sum is σ = 27792080640000. Its totient is φ = 15858854700480.

The previous prime is 21320023102291. The next prime is 21320023102303. The reversal of 21320023102301 is 10320132002312.

It is not a de Polignac number, because 21320023102301 - 2¹⁰ = 21320023101277 is a prime.

It is a super-2 number, since 2×21320023102301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21320023102303) 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, 11178806 + ... + 12946263.

It is an arithmetic number, because the mean of its divisors is an integer number (868502520000).

Almost surely, 2^{21320023102301} is an apocalyptic number.

It is an amenable number.

21320023102301 is a deficient number, since it is larger than the sum of its proper divisors (6472057537699).

21320023102301 is a wasteful number, since it uses less digits than its factorization.

21320023102301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24125609.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21320023102301 its reverse (10320132002312), we get a palindrome (31640155104613).

The spelling of 21320023102301 in words is "twenty-one trillion, three hundred twenty billion, twenty-three million, one hundred two thousand, three hundred one".