111101102102 has 4 divisors (see below), whose sum is σ = 166651653156. Its totient is φ = 55550551050.

The previous prime is 111101102083. The next prime is 111101102107. The reversal of 111101102102 is 201201101111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101102107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775275524 + ... + 27775275527.

It is an arithmetic number, because the mean of its divisors is an integer number (41662913289).

Almost surely, 2^111101102102 is an apocalyptic number.

111101102102 is a deficient number, since it is larger than the sum of its proper divisors (55550551054).

111101102102 is an equidigital number, since it uses as much as digits as its factorization.

111101102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550551053.

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

Adding to 111101102102 its reverse (201201101111), we get a palindrome (312302203213).

Subtracting 111101102102 from its reverse (201201101111), we obtain a palindrome (90099999009).

The spelling of 111101102102 in words is "one hundred eleven billion, one hundred one million, one hundred two thousand, one hundred two".