111021310102 has 16 divisors (see below), whose sum is σ = 172282399200. Its totient is φ = 53594020480.

The previous prime is 111021310087. The next prime is 111021310129. The reversal of 111021310102 is 201013120111.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2181102 + ... + 2231422.

It is an arithmetic number, because the mean of its divisors is an integer number (10767649950).

Almost surely, 2^111021310102 is an apocalyptic number.

111021310102 is a deficient number, since it is larger than the sum of its proper divisors (61261089098).

111021310102 is a wasteful number, since it uses less digits than its factorization.

111021310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88391.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111021310102 its reverse (201013120111), we get a palindrome (312034430213).

The spelling of 111021310102 in words is "one hundred eleven billion, twenty-one million, three hundred ten thousand, one hundred two".