111021013102 has 8 divisors (see below), whose sum is σ = 166534916112. Its totient is φ = 55509374400.

The previous prime is 111021013073. The next prime is 111021013109. The reversal of 111021013102 is 201310120111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021013109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437674 + ... + 643117.

It is an arithmetic number, because the mean of its divisors is an integer number (20816864514).

Almost surely, 2^111021013102 is an apocalyptic number.

111021013102 is a deficient number, since it is larger than the sum of its proper divisors (55513903010).

111021013102 is a wasteful number, since it uses less digits than its factorization.

111021013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132154.

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

Adding to 111021013102 its reverse (201310120111), we get a palindrome (312331133213).

The spelling of 111021013102 in words is "one hundred eleven billion, twenty-one million, thirteen thousand, one hundred two".