111122123202 has 48 divisors (see below), whose sum is σ = 245796078528. Its totient is φ = 36269419680.

The previous prime is 111122123197. The next prime is 111122123221. The reversal of 111122123202 is 202321221111.

111122123202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 364077 + ... + 595647.

It is an arithmetic number, because the mean of its divisors is an integer number (5120751636).

Almost surely, 2^111122123202 is an apocalyptic number.

111122123202 is an abundant number, since it is smaller than the sum of its proper divisors (134673955326).

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

111122123202 is a wasteful number, since it uses less digits than its factorization.

111122123202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232135 (or 232132 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111122123202 its reverse (202321221111), we get a palindrome (313443344313).

The spelling of 111122123202 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred two".