111200002221 has 64 divisors (see below), whose sum is σ = 187249360896. Its totient is φ = 57020544000.

The previous prime is 111200002201. The next prime is 111200002241. The reversal of 111200002221 is 122200002111.

It is an interprime number because it is at equal distance from previous prime (111200002201) and next prime (111200002241).

It is a de Polignac number, because none of the positive numbers 2^k-111200002221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111200002197 and 111200002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200002201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7855476 + ... + 7869618.

It is an arithmetic number, because the mean of its divisors is an integer number (2925771264).

Almost surely, 2^111200002221 is an apocalyptic number.

111200002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111200002221 is a deficient number, since it is larger than the sum of its proper divisors (76049358675).

111200002221 is a wasteful number, since it uses less digits than its factorization.

111200002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111200002221 its reverse (122200002111), we get a palindrome (233400004332).

The spelling of 111200002221 in words is "one hundred eleven billion, two hundred million, two thousand, two hundred twenty-one".