111102121122 has 16 divisors (see below), whose sum is σ = 222550902432. Its totient is φ = 36976263680.

The previous prime is 111102121103. The next prime is 111102121133. The reversal of 111102121122 is 221121201111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14440008 + ... + 14447699.

It is an arithmetic number, because the mean of its divisors is an integer number (13909431402).

Almost surely, 2^111102121122 is an apocalyptic number.

111102121122 is an abundant number, since it is smaller than the sum of its proper divisors (111448781310).

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

111102121122 is a wasteful number, since it uses less digits than its factorization.

111102121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28888353.

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

Adding to 111102121122 its reverse (221121201111), we get a palindrome (332223322233).

The spelling of 111102121122 in words is "one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-two".