101230311211 has 2 divisors, whose sum is σ = 101230311212. Its totient is φ = 101230311210.

The previous prime is 101230311191. The next prime is 101230311257. The reversal of 101230311211 is 112113032101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101230311211 - 2¹¹ = 101230309163 is a prime.

It is not a weakly prime, because it can be changed into another prime (101230311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615155605 + 50615155606.

It is an arithmetic number, because the mean of its divisors is an integer number (50615155606).

Almost surely, 2^101230311211 is an apocalyptic number.

101230311211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101230311211 is an equidigital number, since it uses as much as digits as its factorization.

101230311211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101230311211 its reverse (112113032101), we get a palindrome (213343343312).

The spelling of 101230311211 in words is "one hundred one billion, two hundred thirty million, three hundred eleven thousand, two hundred eleven".