13621521101 has 8 divisors (see below), whose sum is σ = 13854372000. Its totient is φ = 13388736240.

The previous prime is 13621521091. The next prime is 13621521113. The reversal of 13621521101 is 10112512631.

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 13621521101 - 2¹⁴ = 13621504717 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 (13621521161) 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, 584411 + ... + 607271.

It is an arithmetic number, because the mean of its divisors is an integer number (1731796500).

Almost surely, 2^13621521101 is an apocalyptic number.

It is an amenable number.

13621521101 is a deficient number, since it is larger than the sum of its proper divisors (232850899).

13621521101 is a wasteful number, since it uses less digits than its factorization.

13621521101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 13621521101 in words is "thirteen billion, six hundred twenty-one million, five hundred twenty-one thousand, one hundred one".