101226311 has 2 divisors, whose sum is σ = 101226312. Its totient is φ = 101226310.

The previous prime is 101226287. The next prime is 101226317. The reversal of 101226311 is 113622101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101226311 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101226311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101226317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50613155 + 50613156.

It is an arithmetic number, because the mean of its divisors is an integer number (50613156).

Almost surely, 2^101226311 is an apocalyptic number.

101226311 is a deficient number, since it is larger than the sum of its proper divisors (1).

101226311 is an equidigital number, since it uses as much as digits as its factorization.

101226311 is an evil number, because the sum of its binary digits is even.

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

The square root of 101226311 is about 10061.1287140161. The cubic root of 101226311 is about 466.0485238081.

Adding to 101226311 its reverse (113622101), we get a palindrome (214848412).

The spelling of 101226311 in words is "one hundred one million, two hundred twenty-six thousand, three hundred eleven".