101212125011 has 2 divisors, whose sum is σ = 101212125012. Its totient is φ = 101212125010.

The previous prime is 101212124999. The next prime is 101212125013. The reversal of 101212125011 is 110521212101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101212125011 - 2¹⁸ = 101211862867 is a prime.

Together with 101212125013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101212125013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606062505 + 50606062506.

It is an arithmetic number, because the mean of its divisors is an integer number (50606062506).

Almost surely, 2^101212125011 is an apocalyptic number.

101212125011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212125011 is an equidigital number, since it uses as much as digits as its factorization.

101212125011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 101212125011 its reverse (110521212101), we get a palindrome (211733337112).

The spelling of 101212125011 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-five thousand, eleven".