111001101102 has 48 divisors (see below), whose sum is σ = 245686364352. Its totient is φ = 36208992960.

The previous prime is 111001101097. The next prime is 111001101143. The reversal of 111001101102 is 201101100111.

It is a super-2 number, since 2×111001101102² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 40278 + ... + 472889.

It is an arithmetic number, because the mean of its divisors is an integer number (5118465924).

Almost surely, 2^111001101102 is an apocalyptic number.

111001101102 is an abundant number, since it is smaller than the sum of its proper divisors (134685263250).

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

111001101102 is a wasteful number, since it uses less digits than its factorization.

111001101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513433 (or 513430 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111001101102 its reverse (201101100111), we get a palindrome (312102201213).

Subtracting 111001101102 from its reverse (201101100111), we obtain a palindrome (90099999009).

The spelling of 111001101102 in words is "one hundred eleven billion, one million, one hundred one thousand, one hundred two".