111200201102221 has 96 divisors (see below), whose sum is σ = 145077686751744. Its totient is φ = 84254884560000.

The previous prime is 111200201102183. The next prime is 111200201102299. The reversal of 111200201102221 is 122201102002111.

It is not a de Polignac number, because 111200201102221 - 2²¹ = 111200199005069 is a prime.

It is a super-2 number, since 2×111200201102221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200201102195 and 111200201102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200201102021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1207247650 + ... + 1207339756.

It is an arithmetic number, because the mean of its divisors is an integer number (1511225903664).

Almost surely, 2^{111200201102221} is an apocalyptic number.

111200201102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111200201102221 is a deficient number, since it is larger than the sum of its proper divisors (33877485649523).

111200201102221 is a wasteful number, since it uses less digits than its factorization.

111200201102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92631 (or 92624 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111200201102221 its reverse (122201102002111), we get a palindrome (233401303104332).

The spelling of 111200201102221 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, one hundred two thousand, two hundred twenty-one".