221441101211 has 8 divisors (see below), whose sum is σ = 243335412144. Its totient is φ = 199840673920.

The previous prime is 221441101187. The next prime is 221441101283. The reversal of 221441101211 is 112101144122.

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 221441101211 - 2²² = 221436906907 is a prime.

It is a super-2 number, since 2×221441101211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221441101291) 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, 73469330 + ... + 73472343.

It is an arithmetic number, because the mean of its divisors is an integer number (30416926518).

Almost surely, 2^221441101211 is an apocalyptic number.

221441101211 is a deficient number, since it is larger than the sum of its proper divisors (21894310933).

221441101211 is a wasteful number, since it uses less digits than its factorization.

221441101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146941821.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221441101211 its reverse (112101144122), we get a palindrome (333542245333).

The spelling of 221441101211 in words is "two hundred twenty-one billion, four hundred forty-one million, one hundred one thousand, two hundred eleven".