1010100001919 has 2 divisors, whose sum is σ = 1010100001920. Its totient is φ = 1010100001918.

The previous prime is 1010100001913. The next prime is 1010100001927. The reversal of 1010100001919 is 9191000010101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010100001919 is a prime.

It is a super-2 number, since 2×1010100001919² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010100001894 and 1010100001903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010100001913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050000959 + 505050000960.

It is an arithmetic number, because the mean of its divisors is an integer number (505050000960).

Almost surely, 2^{1010100001919} is an apocalyptic number.

1010100001919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010100001919 is an equidigital number, since it uses as much as digits as its factorization.

1010100001919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 1010100001919 in words is "one trillion, ten billion, one hundred million, one thousand, nine hundred nineteen".