2241122204021 has 4 divisors (see below), whose sum is σ = 2338562299872. Its totient is φ = 2143682108172.

The previous prime is 2241122203997. The next prime is 2241122204089. The reversal of 2241122204021 is 1204022211422.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2241122204021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 97440095827 = 2241122204021 / (2 + 2 + 4 + 1 + 1 + 2 + 2 + 2 + 0 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241122204221) 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, 48720047891 + ... + 48720047936.

It is an arithmetic number, because the mean of its divisors is an integer number (584640574968).

Almost surely, 2^{2241122204021} is an apocalyptic number.

It is an amenable number.

2241122204021 is a deficient number, since it is larger than the sum of its proper divisors (97440095851).

2241122204021 is an equidigital number, since it uses as much as digits as its factorization.

2241122204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97440095850.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2241122204021 its reverse (1204022211422), we get a palindrome (3445144415443).

The spelling of 2241122204021 in words is "two trillion, two hundred forty-one billion, one hundred twenty-two million, two hundred four thousand, twenty-one".