111222404222111 has 32 divisors (see below), whose sum is σ = 137818885276800. Its totient is φ = 87402527944704.

The previous prime is 111222404222057. The next prime is 111222404222141.

111222404222111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111222404222111 - 2¹⁰ = 111222404221087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222404222141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172052951 + ... + 172698183.

It is an arithmetic number, because the mean of its divisors is an integer number (4306840164900).

Almost surely, 2^{111222404222111} is an apocalyptic number.

111222404222111 is a deficient number, since it is larger than the sum of its proper divisors (26596481054689).

111222404222111 is a wasteful number, since it uses less digits than its factorization.

111222404222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658115.

The product of its (nonzero) digits is 1024, while the sum is 26.

It can be divided in two parts, 11122240 and 4222111, that added together give a palindrome (15344351).

The spelling of 111222404222111 in words is "one hundred eleven trillion, two hundred twenty-two billion, four hundred four million, two hundred twenty-two thousand, one hundred eleven".