21301031101 has 8 divisors (see below), whose sum is σ = 25402472064. Its totient is φ = 17464199280.

The previous prime is 21301031071. The next prime is 21301031111. The reversal of 21301031101 is 10113010312.

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 21301031101 - 2¹⁵ = 21300998333 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 (21301031111) 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, 66152110 + ... + 66152431.

It is an arithmetic number, because the mean of its divisors is an integer number (3175309008).

Almost surely, 2^21301031101 is an apocalyptic number.

It is an amenable number.

21301031101 is a deficient number, since it is larger than the sum of its proper divisors (4101440963).

21301031101 is a wasteful number, since it uses less digits than its factorization.

21301031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132304571.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21301031101 its reverse (10113010312), we get a palindrome (31414041413).

The spelling of 21301031101 in words is "twenty-one billion, three hundred one million, thirty-one thousand, one hundred one".