112121203001 has 4 divisors (see below), whose sum is σ = 112122017652. Its totient is φ = 112120388352.

The previous prime is 112121202989. The next prime is 112121203009. The reversal of 112121203001 is 100302121211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24550189225 + 87571013776 = 156685^2 + 295924^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121203001 - 2¹⁸ = 112120940857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121203009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144236 + ... + 495021.

It is an arithmetic number, because the mean of its divisors is an integer number (28030504413).

Almost surely, 2^112121203001 is an apocalyptic number.

It is an amenable number.

112121203001 is a deficient number, since it is larger than the sum of its proper divisors (814651).

112121203001 is an equidigital number, since it uses as much as digits as its factorization.

112121203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814650.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112121203001 its reverse (100302121211), we get a palindrome (212423324212).

The spelling of 112121203001 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred three thousand, one".