221116005022231 has 8 divisors (see below), whose sum is σ = 241287398442000. Its totient is φ = 200956268005440.

The previous prime is 221116005022217. The next prime is 221116005022273. The reversal of 221116005022231 is 132220500611122.

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 221116005022231 - 2⁷ = 221116005022103 is a prime.

It is a super-2 number, since 2×221116005022231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221116005022231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221116005022631) 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, 2914061076 + ... + 2914136953.

It is an arithmetic number, because the mean of its divisors is an integer number (30160924805250).

Almost surely, 2^{221116005022231} is an apocalyptic number.

221116005022231 is a deficient number, since it is larger than the sum of its proper divisors (20171393419769).

221116005022231 is a wasteful number, since it uses less digits than its factorization.

221116005022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828201489.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 221116005022231 its reverse (132220500611122), we get a palindrome (353336505633353).

The spelling of 221116005022231 in words is "two hundred twenty-one trillion, one hundred sixteen billion, five million, twenty-two thousand, two hundred thirty-one".