13210023223221 has 16 divisors (see below), whose sum is σ = 19238271725568. Its totient is φ = 7996202809200.

The previous prime is 13210023223181. The next prime is 13210023223231. The reversal of 13210023223221 is 12232232001231.

It is not a de Polignac number, because 13210023223221 - 2¹⁵ = 13210023190453 is a prime.

It is a super-2 number, since 2×13210023223221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13210023223191 and 13210023223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210023223231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246769621 + ... + 246823146.

It is an arithmetic number, because the mean of its divisors is an integer number (1202391982848).

Almost surely, 2^{13210023223221} is an apocalyptic number.

13210023223221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13210023223221 is a deficient number, since it is larger than the sum of its proper divisors (6028248502347).

13210023223221 is a wasteful number, since it uses less digits than its factorization.

13210023223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493593592.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13210023223221 its reverse (12232232001231), we get a palindrome (25442255224452).

The spelling of 13210023223221 in words is "thirteen trillion, two hundred ten billion, twenty-three million, two hundred twenty-three thousand, two hundred twenty-one".