111222020202 has 24 divisors (see below), whose sum is σ = 228618544896. Its totient is φ = 36072003888.

The previous prime is 111222020201. The next prime is 111222020281. The reversal of 111222020202 is 202020222111.

It is a super-2 number, since 2×111222020202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6762058 + ... + 6778485.

It is an arithmetic number, because the mean of its divisors is an integer number (9525772704).

Almost surely, 2^111222020202 is an apocalyptic number.

111222020202 is an abundant number, since it is smaller than the sum of its proper divisors (117396524694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222020202 is a wasteful number, since it uses less digits than its factorization.

111222020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540622 (or 13540585 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 111222020202 its reverse (202020222111), we get a palindrome (313242242313).

The spelling of 111222020202 in words is "one hundred eleven billion, two hundred twenty-two million, twenty thousand, two hundred two".