101213311 has 2 divisors, whose sum is σ = 101213312. Its totient is φ = 101213310.

The previous prime is 101213279. The next prime is 101213327. The reversal of 101213311 is 113312101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101213311 - 2⁵ = 101213279 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101213291 and 101213300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101213341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606655 + 50606656.

It is an arithmetic number, because the mean of its divisors is an integer number (50606656).

Almost surely, 2^101213311 is an apocalyptic number.

101213311 is a deficient number, since it is larger than the sum of its proper divisors (1).

101213311 is an equidigital number, since it uses as much as digits as its factorization.

101213311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 101213311 is about 10060.4826424978. The cubic root of 101213311 is about 466.0285721765.

Adding to 101213311 its reverse (113312101), we get a palindrome (214525412).

The spelling of 101213311 in words is "one hundred one million, two hundred thirteen thousand, three hundred eleven".