111220220200111 has 16 divisors (see below), whose sum is σ = 124083491558400. Its totient is φ = 98841016404000.

The previous prime is 111220220200097. The next prime is 111220220200169. The reversal of 111220220200111 is 111002022022111.

It is a cyclic number.

It is not a de Polignac number, because 111220220200111 - 2¹¹ = 111220220198063 is a prime.

It is a super-2 number, since 2×111220220200111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220220207111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633508491 + ... + 633684028.

It is an arithmetic number, because the mean of its divisors is an integer number (7755218222400).

Almost surely, 2^{111220220200111} is an apocalyptic number.

111220220200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111220220200111 is a deficient number, since it is larger than the sum of its proper divisors (12863271358289).

111220220200111 is a wasteful number, since it uses less digits than its factorization.

111220220200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267192710.

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

Adding to 111220220200111 its reverse (111002022022111), we get a palindrome (222222242222222).

The spelling of 111220220200111 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred thousand, one hundred eleven".