2112322003021 has 4 divisors (see below), whose sum is σ = 2137771665792. Its totient is φ = 2086872340252.

The previous prime is 2112322002983. The next prime is 2112322003031. The reversal of 2112322003021 is 1203002232112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2112322003021 - 2⁷ = 2112322002893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112322003021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112322003031) 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, 12724831261 + ... + 12724831426.

It is an arithmetic number, because the mean of its divisors is an integer number (534442916448).

Almost surely, 2^{2112322003021} is an apocalyptic number.

It is an amenable number.

2112322003021 is a deficient number, since it is larger than the sum of its proper divisors (25449662771).

2112322003021 is an equidigital number, since it uses as much as digits as its factorization.

2112322003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25449662770.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2112322003021 its reverse (1203002232112), we get a palindrome (3315324235133).

The spelling of 2112322003021 in words is "two trillion, one hundred twelve billion, three hundred twenty-two million, three thousand, twenty-one".