2202211105421 has 2 divisors, whose sum is σ = 2202211105422. Its totient is φ = 2202211105420.

The previous prime is 2202211105403. The next prime is 2202211105439. The reversal of 2202211105421 is 1245011122022.

It is a balanced prime because it is at equal distance from previous prime (2202211105403) and next prime (2202211105439).

It can be written as a sum of positive squares in only one way, i.e., 1694654600521 + 507556504900 = 1301789^2 + 712430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202211105421 - 2²⁶ = 2202143996557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202211105921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101105552710 + 1101105552711.

It is an arithmetic number, because the mean of its divisors is an integer number (1101105552711).

Almost surely, 2^{2202211105421} is an apocalyptic number.

It is an amenable number.

2202211105421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202211105421 is an equidigital number, since it uses as much as digits as its factorization.

2202211105421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 2202211105421 its reverse (1245011122022), we get a palindrome (3447222227443).

The spelling of 2202211105421 in words is "two trillion, two hundred two billion, two hundred eleven million, one hundred five thousand, four hundred twenty-one".