112121202100111 has 4 divisors (see below), whose sum is σ = 114021561457800. Its totient is φ = 110220842742424.

The previous prime is 112121202100099. The next prime is 112121202100129. The reversal of 112121202100111 is 111001202121211.

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 112121202100111 - 2¹¹ = 112121202098063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121202100211) 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, 950179678756 + ... + 950179678873.

It is an arithmetic number, because the mean of its divisors is an integer number (28505390364450).

Almost surely, 2^{112121202100111} is an apocalyptic number.

112121202100111 is a deficient number, since it is larger than the sum of its proper divisors (1900359357689).

112121202100111 is an equidigital number, since it uses as much as digits as its factorization.

112121202100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900359357688.

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

Adding to 112121202100111 its reverse (111001202121211), we get a palindrome (223122404221322).

The spelling of 112121202100111 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred two million, one hundred thousand, one hundred eleven".