112001202001021 has 4 divisors (see below), whose sum is σ = 112002057932572. Its totient is φ = 112000346069472.

The previous prime is 112001202000997. The next prime is 112001202001027. The reversal of 112001202001021 is 120100202100211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5077536648921 + 106923665352100 = 2253339^2 + 10340390^2 .

It is a cyclic number.

It is not a de Polignac number, because 112001202001021 - 2²¹ = 112001199903869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112001202000992 and 112001202001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001202001027) 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, 427769466 + ... + 428031211.

It is an arithmetic number, because the mean of its divisors is an integer number (28000514483143).

Almost surely, 2^{112001202001021} is an apocalyptic number.

It is an amenable number.

112001202001021 is a deficient number, since it is larger than the sum of its proper divisors (855931551).

112001202001021 is an equidigital number, since it uses as much as digits as its factorization.

112001202001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855931550.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112001202001021 its reverse (120100202100211), we get a palindrome (232101404101232).

The spelling of 112001202001021 in words is "one hundred twelve trillion, one billion, two hundred two million, one thousand, twenty-one".