11310220001 has 2 divisors, whose sum is σ = 11310220002. Its totient is φ = 11310220000.

The previous prime is 11310219997. The next prime is 11310220043. The reversal of 11310220001 is 10002201311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6593277601 + 4716942400 = 81199^2 + 68680^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310220001 - 2² = 11310219997 is a prime.

It is not a weakly prime, because it can be changed into another prime (11310220091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655110000 + 5655110001.

It is an arithmetic number, because the mean of its divisors is an integer number (5655110001).

Almost surely, 2^11310220001 is an apocalyptic number.

It is an amenable number.

11310220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310220001 is an equidigital number, since it uses as much as digits as its factorization.

11310220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11310220001 its reverse (10002201311), we get a palindrome (21312421312).

The spelling of 11310220001 in words is "eleven billion, three hundred ten million, two hundred twenty thousand, one".