221123233222113 has 32 divisors (see below), whose sum is σ = 312070525747200. Its totient is φ = 138882277123200.

The previous prime is 221123233222097. The next prime is 221123233222121. The reversal of 221123233222113 is 311222332321122.

It is a happy number.

It is not a de Polignac number, because 221123233222113 - 2⁴ = 221123233222097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221123233222153) 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, 31771728 + ... + 38101038.

It is an arithmetic number, because the mean of its divisors is an integer number (9752203929600).

Almost surely, 2^{221123233222113} is an apocalyptic number.

It is an amenable number.

221123233222113 is a deficient number, since it is larger than the sum of its proper divisors (90947292525087).

221123233222113 is a wasteful number, since it uses less digits than its factorization.

221123233222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332733.

The product of its digits is 10368, while the sum is 30.

Adding to 221123233222113 its reverse (311222332321122), we get a palindrome (532345565543235).

Subtracting 221123233222113 from its reverse (311222332321122), we obtain a palindrome (90099099099009).

The spelling of 221123233222113 in words is "two hundred twenty-one trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred thirteen".