221301200123 has 8 divisors (see below), whose sum is σ = 223459511808. Its totient is φ = 219143076264.

The previous prime is 221301200119. The next prime is 221301200149. The reversal of 221301200123 is 321002103122.

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 221301200123 - 2² = 221301200119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221301200423) 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, 4064840 + ... + 4118922.

It is an arithmetic number, because the mean of its divisors is an integer number (27932438976).

Almost surely, 2^221301200123 is an apocalyptic number.

221301200123 is a deficient number, since it is larger than the sum of its proper divisors (2158311685).

221301200123 is a wasteful number, since it uses less digits than its factorization.

221301200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93913.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221301200123 its reverse (321002103122), we get a palindrome (542303303245).

The spelling of 221301200123 in words is "two hundred twenty-one billion, three hundred one million, two hundred thousand, one hundred twenty-three".