221122301126203 has 2 divisors, whose sum is σ = 221122301126204. Its totient is φ = 221122301126202.

The previous prime is 221122301126179. The next prime is 221122301126213. The reversal of 221122301126203 is 302621103221122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221122301126203 is a prime.

It is not a weakly prime, because it can be changed into another prime (221122301126213) 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 as a sum of consecutive naturals, namely, 110561150563101 + 110561150563102.

It is an arithmetic number, because the mean of its divisors is an integer number (110561150563102).

Almost surely, 2^{221122301126203} is an apocalyptic number.

221122301126203 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122301126203 is an equidigital number, since it uses as much as digits as its factorization.

221122301126203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 221122301126203 its reverse (302621103221122), we get a palindrome (523743404347325).

The spelling of 221122301126203 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, three hundred one million, one hundred twenty-six thousand, two hundred three".