21310233101 has 8 divisors (see below), whose sum is σ = 21554480064. Its totient is φ = 21066704640.

The previous prime is 21310233059. The next prime is 21310233121. The reversal of 21310233101 is 10133201312.

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 21310233101 - 2¹⁰ = 21310232077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21310233101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310233121) 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, 119855 + ... + 238716.

It is an arithmetic number, because the mean of its divisors is an integer number (2694310008).

Almost surely, 2^21310233101 is an apocalyptic number.

It is an amenable number.

21310233101 is a deficient number, since it is larger than the sum of its proper divisors (244246963).

21310233101 is a wasteful number, since it uses less digits than its factorization.

21310233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359251.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21310233101 its reverse (10133201312), we get a palindrome (31443434413).

The spelling of 21310233101 in words is "twenty-one billion, three hundred ten million, two hundred thirty-three thousand, one hundred one".