111223113313111 has 4 divisors (see below), whose sum is σ = 111969577161000. Its totient is φ = 110476649465224.

The previous prime is 111223113313031. The next prime is 111223113313129. The reversal of 111223113313111 is 111313311322111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111223113313111 - 2¹⁵ = 111223113280343 is a prime.

It is a super-2 number, since 2×111223113313111² (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 (111223113311111) 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, 373231923721 + ... + 373231924018.

It is an arithmetic number, because the mean of its divisors is an integer number (27992394290250).

Almost surely, 2^{111223113313111} is an apocalyptic number.

111223113313111 is a deficient number, since it is larger than the sum of its proper divisors (746463847889).

111223113313111 is an equidigital number, since it uses as much as digits as its factorization.

111223113313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746463847888.

The product of its digits is 324, while the sum is 25.

Adding to 111223113313111 its reverse (111313311322111), we get a palindrome (222536424635222).

The spelling of 111223113313111 in words is "one hundred eleven trillion, two hundred twenty-three billion, one hundred thirteen million, three hundred thirteen thousand, one hundred eleven".