13213102021 has 8 divisors (see below), whose sum is σ = 15468997824. Its totient is φ = 11049283680.

The previous prime is 13213101997. The next prime is 13213102027. The reversal of 13213102021 is 12020131231.

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 13213102021 - 2⁵ = 13213101989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13213101986 and 13213102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213102027) 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, 23019055 + ... + 23019628.

It is an arithmetic number, because the mean of its divisors is an integer number (1933624728).

Almost surely, 2^13213102021 is an apocalyptic number.

It is an amenable number.

13213102021 is a deficient number, since it is larger than the sum of its proper divisors (2255895803).

13213102021 is an equidigital number, since it uses as much as digits as its factorization.

13213102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46038731.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13213102021 its reverse (12020131231), we get a palindrome (25233233252).

The spelling of 13213102021 in words is "thirteen billion, two hundred thirteen million, one hundred two thousand, twenty-one".