111200122210111 has 16 divisors (see below), whose sum is σ = 122633929783296. Its totient is φ = 99989118900000.

The previous prime is 111200122210087. The next prime is 111200122210201. The reversal of 111200122210111 is 111012221002111.

It is not a de Polignac number, because 111200122210111 - 2⁷ = 111200122209983 is a prime.

It is a super-2 number, since 2×111200122210111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200122210711) 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, 49398555 + ... + 51600556.

It is an arithmetic number, because the mean of its divisors is an integer number (7664620611456).

Almost surely, 2^{111200122210111} is an apocalyptic number.

111200122210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111200122210111 is a deficient number, since it is larger than the sum of its proper divisors (11433807573185).

111200122210111 is a wasteful number, since it uses less digits than its factorization.

111200122210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101000214.

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

Adding to 111200122210111 its reverse (111012221002111), we get a palindrome (222212343212222).

The spelling of 111200122210111 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, one hundred eleven".