221222010041 has 4 divisors (see below), whose sum is σ = 221231976192. Its totient is φ = 221212043892.

The previous prime is 221222009909. The next prime is 221222010059. The reversal of 221222010041 is 140010222122.

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-221222010041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222013041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4949705 + ... + 4994198.

It is an arithmetic number, because the mean of its divisors is an integer number (55307994048).

Almost surely, 2^221222010041 is an apocalyptic number.

It is an amenable number.

221222010041 is a deficient number, since it is larger than the sum of its proper divisors (9966151).

221222010041 is an equidigital number, since it uses as much as digits as its factorization.

221222010041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966150.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221222010041 its reverse (140010222122), we get a palindrome (361232232163).

The spelling of 221222010041 in words is "two hundred twenty-one billion, two hundred twenty-two million, ten thousand, forty-one".