21103023301 has 2 divisors, whose sum is σ = 21103023302. Its totient is φ = 21103023300.

The previous prime is 21103023289. The next prime is 21103023313. The reversal of 21103023301 is 10332030112.

It is a balanced prime because it is at equal distance from previous prime (21103023289) and next prime (21103023313).

It can be written as a sum of positive squares in only one way, i.e., 11183062500 + 9919960801 = 105750^2 + 99599^2 .

It is a cyclic number.

It is not a de Polignac number, because 21103023301 - 2¹⁵ = 21102990533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21103023101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551511650 + 10551511651.

It is an arithmetic number, because the mean of its divisors is an integer number (10551511651).

Almost surely, 2^21103023301 is an apocalyptic number.

It is an amenable number.

21103023301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21103023301 is an equidigital number, since it uses as much as digits as its factorization.

21103023301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21103023301 its reverse (10332030112), we get a palindrome (31435053413).

The spelling of 21103023301 in words is "twenty-one billion, one hundred three million, twenty-three thousand, three hundred one".