111102102102122 has 4 divisors (see below), whose sum is σ = 166653153153186. Its totient is φ = 55551051051060.

The previous prime is 111102102102107. The next prime is 111102102102137. The reversal of 111102102102122 is 221201201201111.

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

It is an interprime number because it is at equal distance from previous prime (111102102102107) and next prime (111102102102137).

It can be written as a sum of positive squares in only one way, i.e., 108609558971281 + 2492543130841 = 10421591^2 + 1578779^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111102102102122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775525525529 + ... + 27775525525532.

Almost surely, 2^{111102102102122} is an apocalyptic number.

111102102102122 is a deficient number, since it is larger than the sum of its proper divisors (55551051051064).

111102102102122 is an equidigital number, since it uses as much as digits as its factorization.

111102102102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55551051051063.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111102102102122 its reverse (221201201201111), we get a palindrome (332303303303233).

The spelling of 111102102102122 in words is "one hundred eleven trillion, one hundred two billion, one hundred two million, one hundred two thousand, one hundred twenty-two".