221001514441 has 8 divisors (see below), whose sum is σ = 228476793600. Its totient is φ = 213547872720.

The previous prime is 221001514427. The next prime is 221001514471. The reversal of 221001514441 is 144415100122.

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 221001514441 - 2¹³ = 221001506249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221001514471) 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, 5388586 + ... + 5429443.

It is an arithmetic number, because the mean of its divisors is an integer number (28559599200).

Almost surely, 2^221001514441 is an apocalyptic number.

It is an amenable number.

221001514441 is a deficient number, since it is larger than the sum of its proper divisors (7475279159).

221001514441 is a wasteful number, since it uses less digits than its factorization.

221001514441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818719.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 221001514441 its reverse (144415100122), we get a palindrome (365416614563).

The spelling of 221001514441 in words is "two hundred twenty-one billion, one million, five hundred fourteen thousand, four hundred forty-one".