221004214123 has 8 divisors (see below), whose sum is σ = 275537721600. Its totient is φ = 172211075880.

The previous prime is 221004214103. The next prime is 221004214139. The reversal of 221004214123 is 321412400122.

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 221004214123 - 2³³ = 212414279531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221004214094 and 221004214103.

It is not an unprimeable number, because it can be changed into a prime (221004214103) 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, 1435092223 + ... + 1435092376.

It is an arithmetic number, because the mean of its divisors is an integer number (34442215200).

Almost surely, 2^221004214123 is an apocalyptic number.

221004214123 is a deficient number, since it is larger than the sum of its proper divisors (54533507477).

221004214123 is a wasteful number, since it uses less digits than its factorization.

221004214123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870184617.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221004214123 its reverse (321412400122), we get a palindrome (542416614245).

The spelling of 221004214123 in words is "two hundred twenty-one billion, four million, two hundred fourteen thousand, one hundred twenty-three".