111220103232211 has 2 divisors, whose sum is σ = 111220103232212. Its totient is φ = 111220103232210.

The previous prime is 111220103232209. The next prime is 111220103232221. The reversal of 111220103232211 is 112232301022111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111220103232211 - 2¹ = 111220103232209 is a prime.

It is a super-2 number, since 2×111220103232211² (a number of 29 digits) contains 22 as substring.

Together with 111220103232209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111220103232221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610051616105 + 55610051616106.

It is an arithmetic number, because the mean of its divisors is an integer number (55610051616106).

Almost surely, 2^{111220103232211} is an apocalyptic number.

111220103232211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220103232211 is an equidigital number, since it uses as much as digits as its factorization.

111220103232211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111220103232211 its reverse (112232301022111), we get a palindrome (223452404254322).

The spelling of 111220103232211 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred three million, two hundred thirty-two thousand, two hundred eleven".