220103211409 has 2 divisors, whose sum is σ = 220103211410. Its totient is φ = 220103211408.

The previous prime is 220103211407. The next prime is 220103211437. The reversal of 220103211409 is 904112301022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215763037009 + 4340174400 = 464503^2 + 65880^2 .

It is a cyclic number.

It is not a de Polignac number, because 220103211409 - 2¹ = 220103211407 is a prime.

Together with 220103211407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220103211403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051605704 + 110051605705.

It is an arithmetic number, because the mean of its divisors is an integer number (110051605705).

Almost surely, 2^220103211409 is an apocalyptic number.

It is an amenable number.

220103211409 is a deficient number, since it is larger than the sum of its proper divisors (1).

220103211409 is an equidigital number, since it uses as much as digits as its factorization.

220103211409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 220103211409 in words is "two hundred twenty billion, one hundred three million, two hundred eleven thousand, four hundred nine".