111120202102 has 16 divisors (see below), whose sum is σ = 205144988832. Its totient is φ = 43959640320.

The previous prime is 111120202073. The next prime is 111120202147. The reversal of 111120202102 is 201202021111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305275099 + ... + 305275462.

It is an arithmetic number, because the mean of its divisors is an integer number (12821561802).

Almost surely, 2^111120202102 is an apocalyptic number.

111120202102 is a deficient number, since it is larger than the sum of its proper divisors (94024786730).

111120202102 is a wasteful number, since it uses less digits than its factorization.

111120202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610550583.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111120202102 its reverse (201202021111), we get a palindrome (312322223213).

The spelling of 111120202102 in words is "one hundred eleven billion, one hundred twenty million, two hundred two thousand, one hundred two".