21101313229 has 8 divisors (see below), whose sum is σ = 21289363200. Its totient is φ = 20914097856.

The previous prime is 21101313209. The next prime is 21101313253. The reversal of 21101313229 is 92231310112.

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 21101313229 - 2²³ = 21092924621 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 (21101313209) 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, 157804 + ... + 259045.

It is an arithmetic number, because the mean of its divisors is an integer number (2661170400).

Almost surely, 2^21101313229 is an apocalyptic number.

It is an amenable number.

21101313229 is a deficient number, since it is larger than the sum of its proper divisors (188049971).

21101313229 is a wasteful number, since it uses less digits than its factorization.

21101313229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417299.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 21101313229 in words is "twenty-one billion, one hundred one million, three hundred thirteen thousand, two hundred twenty-nine".