111201002221 has 8 divisors (see below), whose sum is σ = 112280981760. Its totient is φ = 110121776928.

The previous prime is 111201002203. The next prime is 111201002239. The reversal of 111201002221 is 122200102111.

It is an interprime number because it is at equal distance from previous prime (111201002203) and next prime (111201002239).

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 111201002221 - 2¹¹ = 111201000173 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 (111201009221) 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, 110020 + ... + 484258.

It is an arithmetic number, because the mean of its divisors is an integer number (14035122720).

Almost surely, 2^111201002221 is an apocalyptic number.

It is an amenable number.

111201002221 is a deficient number, since it is larger than the sum of its proper divisors (1079979539).

111201002221 is a wasteful number, since it uses less digits than its factorization.

111201002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377123.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111201002221 its reverse (122200102111), we get a palindrome (233401104332).

The spelling of 111201002221 in words is "one hundred eleven billion, two hundred one million, two thousand, two hundred twenty-one".