10111212119 has 2 divisors, whose sum is σ = 10111212120. Its totient is φ = 10111212118.

The previous prime is 10111212113. The next prime is 10111212127. The reversal of 10111212119 is 91121211101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111212119 is a prime.

It is a super-2 number, since 2×10111212119² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10111212119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111212113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055606059 + 5055606060.

It is an arithmetic number, because the mean of its divisors is an integer number (5055606060).

Almost surely, 2^10111212119 is an apocalyptic number.

10111212119 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111212119 is an equidigital number, since it uses as much as digits as its factorization.

10111212119 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 20.

The spelling of 10111212119 in words is "ten billion, one hundred eleven million, two hundred twelve thousand, one hundred nineteen".