221232301301 has 4 divisors (see below), whose sum is σ = 241344328704. Its totient is φ = 201120273900.

The previous prime is 221232301259. The next prime is 221232301343. The reversal of 221232301301 is 103103232122.

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 an interprime number because it is at equal distance from previous prime (221232301259) and next prime (221232301343).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221232301301 is a prime.

It is a super-2 number, since 2×221232301301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232301361) 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, 10056013685 + ... + 10056013706.

It is an arithmetic number, because the mean of its divisors is an integer number (60336082176).

Almost surely, 2^221232301301 is an apocalyptic number.

It is an amenable number.

221232301301 is a deficient number, since it is larger than the sum of its proper divisors (20112027403).

221232301301 is a wasteful number, since it uses less digits than its factorization.

221232301301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112027402.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221232301301 its reverse (103103232122), we get a palindrome (324335533423).

The spelling of 221232301301 in words is "two hundred twenty-one billion, two hundred thirty-two million, three hundred one thousand, three hundred one".