21130223301 has 16 divisors (see below), whose sum is σ = 34149856320. Its totient is φ = 12806195760.

The previous prime is 21130223291. The next prime is 21130223311. The reversal of 21130223301 is 10332203112.

It is an interprime number because it is at equal distance from previous prime (21130223291) and next prime (21130223311).

It is not a de Polignac number, because 21130223301 - 2⁶ = 21130223237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130223311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35572470 + ... + 35573063.

It is an arithmetic number, because the mean of its divisors is an integer number (2134366020).

Almost surely, 2^21130223301 is an apocalyptic number.

It is an amenable number.

21130223301 is a deficient number, since it is larger than the sum of its proper divisors (13019633019).

21130223301 is a wasteful number, since it uses less digits than its factorization.

21130223301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71145553 (or 71145547 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21130223301 its reverse (10332203112), we get a palindrome (31462426413).

The spelling of 21130223301 in words is "twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, three hundred one".