221441212301 has 16 divisors (see below), whose sum is σ = 224457609600. Its totient is φ = 218437325568.

The previous prime is 221441212297. The next prime is 221441212337. The reversal of 221441212301 is 103212144122.

It is a cyclic number.

It is not a de Polignac number, because 221441212301 - 2² = 221441212297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221441212381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96403385 + ... + 96405681.

It is an arithmetic number, because the mean of its divisors is an integer number (14028600600).

Almost surely, 2^221441212301 is an apocalyptic number.

It is an amenable number.

221441212301 is a deficient number, since it is larger than the sum of its proper divisors (3016397299).

221441212301 is a wasteful number, since it uses less digits than its factorization.

221441212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 221441212301 its reverse (103212144122), we get a palindrome (324653356423).

The spelling of 221441212301 in words is "two hundred twenty-one billion, four hundred forty-one million, two hundred twelve thousand, three hundred one".