221123523119 has 2 divisors, whose sum is σ = 221123523120. Its totient is φ = 221123523118.

The previous prime is 221123523077. The next prime is 221123523121. The reversal of 221123523119 is 911325321122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221123523119 is a prime.

It is a super-2 number, since 2×221123523119² (a number of 23 digits) contains 22 as substring.

Together with 221123523121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221123523319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561761559 + 110561761560.

It is an arithmetic number, because the mean of its divisors is an integer number (110561761560).

Almost surely, 2^221123523119 is an apocalyptic number.

221123523119 is a deficient number, since it is larger than the sum of its proper divisors (1).

221123523119 is an equidigital number, since it uses as much as digits as its factorization.

221123523119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The spelling of 221123523119 in words is "two hundred twenty-one billion, one hundred twenty-three million, five hundred twenty-three thousand, one hundred nineteen".