103211202209 has 2 divisors, whose sum is σ = 103211202210. Its totient is φ = 103211202208.

The previous prime is 103211202173. The next prime is 103211202229. The reversal of 103211202209 is 902202112301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51728953600 + 51482248609 = 227440^2 + 226897^2 .

It is a cyclic number.

It is not a de Polignac number, because 103211202209 - 2¹⁶ = 103211136673 is a prime.

It is a super-2 number, since 2×103211202209² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103211202229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605601104 + 51605601105.

It is an arithmetic number, because the mean of its divisors is an integer number (51605601105).

Almost surely, 2^103211202209 is an apocalyptic number.

It is an amenable number.

103211202209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211202209 is an equidigital number, since it uses as much as digits as its factorization.

103211202209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 103211202209 in words is "one hundred three billion, two hundred eleven million, two hundred two thousand, two hundred nine".