221231113412101 has 8 divisors (see below), whose sum is σ = 238376229122304. Its totient is φ = 204104188809840.

The previous prime is 221231113412027. The next prime is 221231113412123. The reversal of 221231113412101 is 101214311132122.

221231113412101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221231113412101 - 2¹¹ = 221231113410053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231113412801) 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, 4547751721 + ... + 4547800366.

It is an arithmetic number, because the mean of its divisors is an integer number (29797028640288).

Almost surely, 2^{221231113412101} is an apocalyptic number.

It is an amenable number.

221231113412101 is a deficient number, since it is larger than the sum of its proper divisors (17145115710203).

221231113412101 is a wasteful number, since it uses less digits than its factorization.

221231113412101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9095553971.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 221231113412101 its reverse (101214311132122), we get a palindrome (322445424544223).

The spelling of 221231113412101 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, one hundred thirteen million, four hundred twelve thousand, one hundred one".