111001102002 has 32 divisors (see below), whose sum is σ = 281907561600. Its totient is φ = 31714600464.

The previous prime is 111001101989. The next prime is 111001102019. The reversal of 111001102002 is 200201100111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 15 ways as a sum of consecutive naturals, for example, 146826477 + ... + 146827232.

It is an arithmetic number, because the mean of its divisors is an integer number (8809611300).

Almost surely, 2^111001102002 is an apocalyptic number.

111001102002 is an abundant number, since it is smaller than the sum of its proper divisors (170906459598).

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

111001102002 is a wasteful number, since it uses less digits than its factorization.

111001102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293653727 (or 293653721 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111001102002 its reverse (200201100111), we get a palindrome (311202202113).

The spelling of 111001102002 in words is "one hundred eleven billion, one million, one hundred two thousand, two".