101212122103 has 2 divisors, whose sum is σ = 101212122104. Its totient is φ = 101212122102.

The previous prime is 101212122091. The next prime is 101212122139. The reversal of 101212122103 is 301221212101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101212122103 - 2¹³ = 101212113911 is a prime.

It is a super-2 number, since 2×101212122103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212122703) 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, 50606061051 + 50606061052.

It is an arithmetic number, because the mean of its divisors is an integer number (50606061052).

Almost surely, 2^101212122103 is an apocalyptic number.

101212122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212122103 is an equidigital number, since it uses as much as digits as its factorization.

101212122103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101212122103 its reverse (301221212101), we get a palindrome (402433334204).

The spelling of 101212122103 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred three".