111011020111222 has 64 divisors (see below), whose sum is σ = 214523405568000. Its totient is φ = 42703564962240.

The previous prime is 111011020111213. The next prime is 111011020111237. The reversal of 111011020111222 is 222111020110111.

It is a super-2 number, since 2×111011020111222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111011020111196 and 111011020111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92512983 + ... + 93705250.

It is an arithmetic number, because the mean of its divisors is an integer number (3351928212000).

Almost surely, 2^{111011020111222} is an apocalyptic number.

111011020111222 is a deficient number, since it is larger than the sum of its proper divisors (103512385456778).

111011020111222 is a wasteful number, since it uses less digits than its factorization.

111011020111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186218346 (or 186218332 counting only the distinct ones).

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

Adding to 111011020111222 its reverse (222111020110111), we get a palindrome (333122040221333).

The spelling of 111011020111222 in words is "one hundred eleven trillion, eleven billion, twenty million, one hundred eleven thousand, two hundred twenty-two".