121102113000111 has 4 divisors (see below), whose sum is σ = 161469484000152. Its totient is φ = 80734742000072.

The previous prime is 121102113000061. The next prime is 121102113000119. The reversal of 121102113000111 is 111000311201121.

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

It is a cyclic number.

It is not a de Polignac number, because 121102113000111 - 2¹⁸ = 121102112737967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102113000119) 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 3 ways as a sum of consecutive naturals, for example, 20183685500016 + ... + 20183685500021.

It is an arithmetic number, because the mean of its divisors is an integer number (40367371000038).

Almost surely, 2^{121102113000111} is an apocalyptic number.

121102113000111 is a deficient number, since it is larger than the sum of its proper divisors (40367371000041).

121102113000111 is an equidigital number, since it uses as much as digits as its factorization.

121102113000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367371000040.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121102113000111 its reverse (111000311201121), we get a palindrome (232102424201232).

The spelling of 121102113000111 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred thirteen million, one hundred eleven", and thus it is an aban number.