111020111222 has 32 divisors (see below), whose sum is σ = 171947422080. Its totient is φ = 53731532800.

The previous prime is 111020111219. The next prime is 111020111263. The reversal of 111020111222 is 222111020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020111197 and 111020111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9269654 + ... + 9281622.

It is an arithmetic number, because the mean of its divisors is an integer number (5373356940).

Almost surely, 2^111020111222 is an apocalyptic number.

111020111222 is a deficient number, since it is larger than the sum of its proper divisors (60927310858).

111020111222 is a wasteful number, since it uses less digits than its factorization.

111020111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111020111222 its reverse (222111020111), we get a palindrome (333131131333).

It can be divided in two parts, 111020111 and 222, that multiplied together give a palindrome (24646464642).

The spelling of 111020111222 in words is "one hundred eleven billion, twenty million, one hundred eleven thousand, two hundred twenty-two".