111200012211 has 4 divisors (see below), whose sum is σ = 148266682952. Its totient is φ = 74133341472.

The previous prime is 111200012141. The next prime is 111200012233. The reversal of 111200012211 is 112210002111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112210002111 = 3 ⋅37403334037.

It is not a de Polignac number, because 111200012211 - 2¹⁹ = 111199487923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200012311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18533335366 + ... + 18533335371.

It is an arithmetic number, because the mean of its divisors is an integer number (37066670738).

Almost surely, 2^111200012211 is an apocalyptic number.

111200012211 is a deficient number, since it is larger than the sum of its proper divisors (37066670741).

111200012211 is an equidigital number, since it uses as much as digits as its factorization.

111200012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066670740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111200012211 its reverse (112210002111), we get a palindrome (223410014322).

It can be divided in two parts, 1112000 and 12211, that added together give a palindrome (1124211).

The spelling of 111200012211 in words is "one hundred eleven billion, two hundred million, twelve thousand, two hundred eleven".