221441101 has 16 divisors (see below), whose sum is σ = 259822080. Its totient is φ = 184808880.

The previous prime is 221441093. The next prime is 221441113. The reversal of 221441101 is 101144122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221441101 - 2³ = 221441093 is a prime.

It is a super-2 number, since 2×221441101² = 98072322424184402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221441131) 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, 41686 + ... + 46696.

It is an arithmetic number, because the mean of its divisors is an integer number (16238880).

Almost surely, 2^221441101 is an apocalyptic number.

It is an amenable number.

221441101 is a deficient number, since it is larger than the sum of its proper divisors (38380979).

221441101 is a wasteful number, since it uses less digits than its factorization.

221441101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 221441101 is about 14880.8971839738. The cubic root of 221441101 is about 604.9963353829.

Adding to 221441101 its reverse (101144122), we get a palindrome (322585223).

The spelling of 221441101 in words is "two hundred twenty-one million, four hundred forty-one thousand, one hundred one".