221210211013 has 16 divisors (see below), whose sum is σ = 244065286080. Its totient is φ = 198824659200.

The previous prime is 221210211007. The next prime is 221210211023. The reversal of 221210211013 is 310112012122.

221210211013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221210211013 - 2⁵ = 221210210981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221210211023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68331 + ... + 668647.

It is an arithmetic number, because the mean of its divisors is an integer number (15254080380).

Almost surely, 2^221210211013 is an apocalyptic number.

It is an amenable number.

221210211013 is a deficient number, since it is larger than the sum of its proper divisors (22855075067).

221210211013 is a wasteful number, since it uses less digits than its factorization.

221210211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600708.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221210211013 its reverse (310112012122), we get a palindrome (531322223135).

The spelling of 221210211013 in words is "two hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, thirteen".