713211111221 has 8 divisors (see below), whose sum is σ = 828913640640. Its totient is φ = 600962388768.

The previous prime is 713211111163. The next prime is 713211111373. The reversal of 713211111221 is 122111112317.

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

It is not a de Polignac number, because 713211111221 - 2¹⁸ = 713210849077 is a prime.

It is a super-2 number, since 2×713211111221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713211111721) 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, 863451296 + ... + 863452121.

It is an arithmetic number, because the mean of its divisors is an integer number (103614205080).

Almost surely, 2^713211111221 is an apocalyptic number.

It is an amenable number.

713211111221 is a deficient number, since it is larger than the sum of its proper divisors (115702529419).

713211111221 is a wasteful number, since it uses less digits than its factorization.

713211111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726903483.

The product of its digits is 168, while the sum is 23.

Adding to 713211111221 its reverse (122111112317), we get a palindrome (835322223538).

The spelling of 713211111221 in words is "seven hundred thirteen billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-one".