111221010112201 has 8 divisors (see below), whose sum is σ = 123321060393408. Its totient is φ = 99452468058000.

The previous prime is 111221010112111. The next prime is 111221010112217. The reversal of 111221010112201 is 102211010122111.

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 111221010112201 - 2⁷ = 111221010112073 is a prime.

It is a super-2 number, since 2×111221010112201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111221010112291) 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, 82877056045 + ... + 82877057386.

It is an arithmetic number, because the mean of its divisors is an integer number (15415132549176).

Almost surely, 2^{111221010112201} is an apocalyptic number.

111221010112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111221010112201 is a deficient number, since it is larger than the sum of its proper divisors (12100050281207).

111221010112201 is a wasteful number, since it uses less digits than its factorization.

111221010112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165754113503.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111221010112201 its reverse (102211010122111), we get a palindrome (213432020234312).

The spelling of 111221010112201 in words is "one hundred eleven trillion, two hundred twenty-one billion, ten million, one hundred twelve thousand, two hundred one".