221232120113101 has 8 divisors (see below), whose sum is σ = 221591453324544. Its totient is φ = 220873006615440.

The previous prime is 221232120113063. The next prime is 221232120113111. The reversal of 221232120113101 is 101311021232122.

It is a happy number.

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 221232120113101 - 2²¹ = 221232118015949 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 (221232120113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52912930 + ... + 56940691.

It is an arithmetic number, because the mean of its divisors is an integer number (27698931665568).

Almost surely, 2^{221232120113101} is an apocalyptic number.

It is an amenable number.

221232120113101 is a deficient number, since it is larger than the sum of its proper divisors (359333211443).

221232120113101 is a wasteful number, since it uses less digits than its factorization.

221232120113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109856891.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 221232120113101 its reverse (101311021232122), we get a palindrome (322543141345223).

The spelling of 221232120113101 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, one hundred twenty million, one hundred thirteen thousand, one hundred one".