111222020011 has 8 divisors (see below), whose sum is σ = 113459606624. Its totient is φ = 109006698240.

The previous prime is 111222019973. The next prime is 111222020027. The reversal of 111222020011 is 110020222111.

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 111222020011 - 2¹⁵ = 111221987243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111222019973 and 111222020000.

It is not an unprimeable number, because it can be changed into a prime (111222020081) 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, 5556120 + ... + 5576101.

It is an arithmetic number, because the mean of its divisors is an integer number (14182450828).

Almost surely, 2^111222020011 is an apocalyptic number.

111222020011 is a deficient number, since it is larger than the sum of its proper divisors (2237586613).

111222020011 is a wasteful number, since it uses less digits than its factorization.

111222020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132421.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111222020011 its reverse (110020222111), we get a palindrome (221242242122).

The spelling of 111222020011 in words is "one hundred eleven billion, two hundred twenty-two million, twenty thousand, eleven".