111202111122 has 16 divisors (see below), whose sum is σ = 223877099712. Its totient is φ = 36821890800.

The previous prime is 111202111121. The next prime is 111202111171. The reversal of 111202111122 is 221111202111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111202111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61368913 + ... + 61370724.

It is an arithmetic number, because the mean of its divisors is an integer number (13992318732).

Almost surely, 2^111202111122 is an apocalyptic number.

111202111122 is an abundant number, since it is smaller than the sum of its proper divisors (112674988590).

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

111202111122 is a wasteful number, since it uses less digits than its factorization.

111202111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122739793.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111202111122 its reverse (221111202111), we get a palindrome (332313313233).

The spelling of 111202111122 in words is "one hundred eleven billion, two hundred two million, one hundred eleven thousand, one hundred twenty-two".