221233211301 has 16 divisors (see below), whose sum is σ = 297883080000. Its totient is φ = 146037886848.

The previous prime is 221233211299. The next prime is 221233211347. The reversal of 221233211301 is 103112332122.

221233211301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221233211301 - 2¹ = 221233211299 is a prime.

It is a super-2 number, since 2×221233211301² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221233211201) 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, 264505 + ... + 715841.

It is an arithmetic number, because the mean of its divisors is an integer number (18617692500).

Almost surely, 2^221233211301 is an apocalyptic number.

It is an amenable number.

221233211301 is a deficient number, since it is larger than the sum of its proper divisors (76649868699).

221233211301 is a wasteful number, since it uses less digits than its factorization.

221233211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452948.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221233211301 its reverse (103112332122), we get a palindrome (324345543423).

The spelling of 221233211301 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred eleven thousand, three hundred one".