11130312101 has 2 divisors, whose sum is σ = 11130312102. Its totient is φ = 11130312100.

The previous prime is 11130312091. The next prime is 11130312103. The reversal of 11130312101 is 10121303111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10889131201 + 241180900 = 104351^2 + 15530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130312101 is a prime.

Together with 11130312103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11130312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565156050 + 5565156051.

It is an arithmetic number, because the mean of its divisors is an integer number (5565156051).

Almost surely, 2^11130312101 is an apocalyptic number.

It is an amenable number.

11130312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130312101 is an equidigital number, since it uses as much as digits as its factorization.

11130312101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11130312101 its reverse (10121303111), we get a palindrome (21251615212).

The spelling of 11130312101 in words is "eleven billion, one hundred thirty million, three hundred twelve thousand, one hundred one".