101230511 has 2 divisors, whose sum is σ = 101230512. Its totient is φ = 101230510.

The previous prime is 101230421. The next prime is 101230523. The reversal of 101230511 is 115032101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101230511 is a prime.

It is a super-2 number, since 2×101230511² = 20495232714642242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101230111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615255 + 50615256.

It is an arithmetic number, because the mean of its divisors is an integer number (50615256).

Almost surely, 2^101230511 is an apocalyptic number.

101230511 is a deficient number, since it is larger than the sum of its proper divisors (1).

101230511 is an equidigital number, since it uses as much as digits as its factorization.

101230511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 101230511 is about 10061.3374359476. The cubic root of 101230511 is about 466.0549693547.

Adding to 101230511 its reverse (115032101), we get a palindrome (216262612).

The spelling of 101230511 in words is "one hundred one million, two hundred thirty thousand, five hundred eleven".