221413442231101 has 8 divisors (see below), whose sum is σ = 221463235506240. Its totient is φ = 221363650808352.

The previous prime is 221413442231071. The next prime is 221413442231167. The reversal of 221413442231101 is 101132244314122.

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 221413442231101 - 2¹³ = 221413442222909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221413442231171) 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, 254296966 + ... + 255166168.

It is an arithmetic number, because the mean of its divisors is an integer number (27682904438280).

Almost surely, 2^{221413442231101} is an apocalyptic number.

It is an amenable number.

221413442231101 is a deficient number, since it is larger than the sum of its proper divisors (49793275139).

221413442231101 is an equidigital number, since it uses as much as digits as its factorization.

221413442231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926195.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 221413442231101 its reverse (101132244314122), we get a palindrome (322545686545223).

The spelling of 221413442231101 in words is "two hundred twenty-one trillion, four hundred thirteen billion, four hundred forty-two million, two hundred thirty-one thousand, one hundred one".