103202311211 has 4 divisors (see below), whose sum is σ = 103245730632. Its totient is φ = 103158891792.

The previous prime is 103202311169. The next prime is 103202311217. The reversal of 103202311211 is 112113202301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103202311211 - 2¹⁰ = 103202310187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103202311211.

It is not an unprimeable number, because it can be changed into a prime (103202311217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21706145 + ... + 21710898.

It is an arithmetic number, because the mean of its divisors is an integer number (25811432658).

Almost surely, 2^103202311211 is an apocalyptic number.

103202311211 is a deficient number, since it is larger than the sum of its proper divisors (43419421).

103202311211 is an equidigital number, since it uses as much as digits as its factorization.

103202311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43419420.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103202311211 its reverse (112113202301), we get a palindrome (215315513512).

The spelling of 103202311211 in words is "one hundred three billion, two hundred two million, three hundred eleven thousand, two hundred eleven".