221233222113 has 32 divisors (see below), whose sum is σ = 311623209600. Its totient is φ = 139403980800.

The previous prime is 221233222109. The next prime is 221233222123. The reversal of 221233222113 is 311222332122.

It is not a de Polignac number, because 221233222113 - 2² = 221233222109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221233222123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020993 + ... + 1218561.

It is an arithmetic number, because the mean of its divisors is an integer number (9738225300).

Almost surely, 2^221233222113 is an apocalyptic number.

It is an amenable number.

221233222113 is a deficient number, since it is larger than the sum of its proper divisors (90389987487).

221233222113 is a wasteful number, since it uses less digits than its factorization.

221233222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197873.

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

Adding to 221233222113 its reverse (311222332122), we get a palindrome (532455554235).

The spelling of 221233222113 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred thirteen".