13211022021 has 8 divisors (see below), whose sum is σ = 17615286240. Its totient is φ = 8807052912.

The previous prime is 13211022017. The next prime is 13211022029. The reversal of 13211022021 is 12022011231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13211022021 - 2² = 13211022017 is a prime.

It is a super-2 number, since 2×13211022021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211022029) 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, 71611 + ... + 177623.

It is an arithmetic number, because the mean of its divisors is an integer number (2201910780).

Almost surely, 2^13211022021 is an apocalyptic number.

It is an amenable number.

13211022021 is a deficient number, since it is larger than the sum of its proper divisors (4404264219).

13211022021 is a wasteful number, since it uses less digits than its factorization.

13211022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147555.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13211022021 its reverse (12022011231), we get a palindrome (25233033252).

The spelling of 13211022021 in words is "thirteen billion, two hundred eleven million, twenty-two thousand, twenty-one".