221230330201121 has 4 divisors (see below), whose sum is σ = 221230471585200. Its totient is φ = 221230188817044.

The previous prime is 221230330201099. The next prime is 221230330201123. The reversal of 221230330201121 is 121102033032122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221230330201121 - 2⁶ = 221230330201057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221230330201123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68318351 + ... + 71483268.

It is an arithmetic number, because the mean of its divisors is an integer number (55307617896300).

Almost surely, 2^{221230330201121} is an apocalyptic number.

It is an amenable number.

221230330201121 is a deficient number, since it is larger than the sum of its proper divisors (141384079).

221230330201121 is a wasteful number, since it uses less digits than its factorization.

221230330201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141384078.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221230330201121 its reverse (121102033032122), we get a palindrome (342332363233243).

The spelling of 221230330201121 in words is "two hundred twenty-one trillion, two hundred thirty billion, three hundred thirty million, two hundred one thousand, one hundred twenty-one".