111403020122 has 4 divisors (see below), whose sum is σ = 167104530186. Its totient is φ = 55701510060.

The previous prime is 111403020121. The next prime is 111403020143. The reversal of 111403020122 is 221020304111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84954177961 + 26448842161 = 291469^2 + 162631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111403020122.

It is not an unprimeable number, because it can be changed into a prime (111403020121) 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 as a sum of consecutive naturals, namely, 27850755029 + ... + 27850755032.

Almost surely, 2^111403020122 is an apocalyptic number.

111403020122 is a deficient number, since it is larger than the sum of its proper divisors (55701510064).

111403020122 is an equidigital number, since it uses as much as digits as its factorization.

111403020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55701510063.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111403020122 its reverse (221020304111), we get a palindrome (332423324233).

The spelling of 111403020122 in words is "one hundred eleven billion, four hundred three million, twenty thousand, one hundred twenty-two".