221434414123 has 8 divisors (see below), whose sum is σ = 239678329968. Its totient is φ = 203363426784.

The previous prime is 221434414087. The next prime is 221434414133. The reversal of 221434414123 is 321414434122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221434414123 - 2⁹ = 221434413611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221434414133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43229461 + ... + 43234582.

It is an arithmetic number, because the mean of its divisors is an integer number (29959791246).

Almost surely, 2^221434414123 is an apocalyptic number.

221434414123 is a deficient number, since it is larger than the sum of its proper divisors (18243915845).

221434414123 is a wasteful number, since it uses less digits than its factorization.

221434414123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86464253.

The product of its digits is 18432, while the sum is 31.

Adding to 221434414123 its reverse (321414434122), we get a palindrome (542848848245).

The spelling of 221434414123 in words is "two hundred twenty-one billion, four hundred thirty-four million, four hundred fourteen thousand, one hundred twenty-three".