111401244211 has 4 divisors (see below), whose sum is σ = 116244776592. Its totient is φ = 106557711832.

The previous prime is 111401244203. The next prime is 111401244221. The reversal of 111401244211 is 112442104111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112442104111 = 557 ⋅201870923.

It is a cyclic number.

It is not a de Polignac number, because 111401244211 - 2³ = 111401244203 is a prime.

It is a super-2 number, since 2×111401244211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111401244221) 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, 2421766156 + ... + 2421766201.

It is an arithmetic number, because the mean of its divisors is an integer number (29061194148).

Almost surely, 2^111401244211 is an apocalyptic number.

111401244211 is a deficient number, since it is larger than the sum of its proper divisors (4843532381).

111401244211 is an equidigital number, since it uses as much as digits as its factorization.

111401244211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843532380.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111401244211 its reverse (112442104111), we get a palindrome (223843348322).

The spelling of 111401244211 in words is "one hundred eleven billion, four hundred one million, two hundred forty-four thousand, two hundred eleven".