111021110102 has 16 divisors (see below), whose sum is σ = 190354538400. Its totient is φ = 47572316928.

The previous prime is 111021110093. The next prime is 111021110107. The reversal of 111021110102 is 201011120111.

It is a super-3 number, since 3×111021110102³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021110107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594977 + ... + 758972.

It is an arithmetic number, because the mean of its divisors is an integer number (11897158650).

Almost surely, 2^111021110102 is an apocalyptic number.

111021110102 is a deficient number, since it is larger than the sum of its proper divisors (79333428298).

111021110102 is a wasteful number, since it uses less digits than its factorization.

111021110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359815.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111021110102 its reverse (201011120111), we get a palindrome (312032230213).

The spelling of 111021110102 in words is "one hundred eleven billion, twenty-one million, one hundred ten thousand, one hundred two".