10101212113919 has 2 divisors, whose sum is σ = 10101212113920. Its totient is φ = 10101212113918.

The previous prime is 10101212113897. The next prime is 10101212113939. The reversal of 10101212113919 is 91931121210101.

It is a strong prime.

It is an emirp because it is prime and its reverse (91931121210101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101212113919 is a prime.

It is a super-2 number, since 2×10101212113919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101212113939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050606056959 + 5050606056960.

It is an arithmetic number, because the mean of its divisors is an integer number (5050606056960).

Almost surely, 2^{10101212113919} is an apocalyptic number.

10101212113919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101212113919 is an equidigital number, since it uses as much as digits as its factorization.

10101212113919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 32.

The spelling of 10101212113919 in words is "ten trillion, one hundred one billion, two hundred twelve million, one hundred thirteen thousand, nine hundred nineteen".