111020222011111 has 8 divisors (see below), whose sum is σ = 126880800717344. Its totient is φ = 95159780052480.

The previous prime is 111020222011091. The next prime is 111020222011133. The reversal of 111020222011111 is 111110222020111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111020222011111 - 2⁷ = 111020222010983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020222015111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32441250 + ... + 35699791.

It is an arithmetic number, because the mean of its divisors is an integer number (15860100089668).

Almost surely, 2^{111020222011111} is an apocalyptic number.

111020222011111 is a deficient number, since it is larger than the sum of its proper divisors (15860578706233).

111020222011111 is an equidigital number, since it uses as much as digits as its factorization.

111020222011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68373801.

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

Adding to 111020222011111 its reverse (111110222020111), we get a palindrome (222130444031222).

The spelling of 111020222011111 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-two million, eleven thousand, one hundred eleven".