111101002122 has 64 divisors (see below), whose sum is σ = 259202602368. Its totient is φ = 31372800000.

The previous prime is 111101002093. The next prime is 111101002183. The reversal of 111101002122 is 221200101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101002098 and 111101002107.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 376879 + ... + 603522.

It is an arithmetic number, because the mean of its divisors is an integer number (4050040662).

Almost surely, 2^111101002122 is an apocalyptic number.

111101002122 is an abundant number, since it is smaller than the sum of its proper divisors (148101600246).

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

111101002122 is a wasteful number, since it uses less digits than its factorization.

111101002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980535.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111101002122 its reverse (221200101111), we get a palindrome (332301103233).

The spelling of 111101002122 in words is "one hundred eleven billion, one hundred one million, two thousand, one hundred twenty-two".