111210220222011 has 24 divisors (see below), whose sum is σ = 169967685048720. Its totient is φ = 69874106167296.

The previous prime is 111210220221941. The next prime is 111210220222033. The reversal of 111210220222011 is 110222022012111.

111210220222011 is a `hidden beast` number, since 1 + 1 + 1 + 210 + 220 + 2 + 220 + 11 = 666.

It is not a de Polignac number, because 111210220222011 - 2¹⁰ = 111210220220987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111210220222411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1684817166 + ... + 1684883171.

It is an arithmetic number, because the mean of its divisors is an integer number (7081986877030).

Almost surely, 2^{111210220222011} is an apocalyptic number.

111210220222011 is a deficient number, since it is larger than the sum of its proper divisors (58757464826709).

111210220222011 is a wasteful number, since it uses less digits than its factorization.

111210220222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369700555 (or 3369700552 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111210220222011 its reverse (110222022012111), we get a palindrome (221432242234122).

The spelling of 111210220222011 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-two thousand, eleven".