10010101019 has 2 divisors, whose sum is σ = 10010101020.
Its totient is φ = 10010101018.
The previous prime is 10010100977. The next prime is 10010101061. The reversal of 10010101019 is 91010101001.
It is a happy number.
It is a balanced prime because it is at equal distance from previous prime (10010100977) and next prime (10010101061).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10010101019 is a prime.
It is a super-2 number, since 2×100101010192 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10010100994 and 10010101012.
It is not a weakly prime, because it can be changed into another prime (10010100019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005050509 + 5005050510.
It is an arithmetic number, because the mean of its divisors is an integer number (5005050510).
Almost surely, 210010101019 is an apocalyptic number.
10010101019 is a deficient number, since it is larger than the sum of its proper divisors (1).
10010101019 is an equidigital number, since it uses as much as digits as its factorization.
10010101019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9, while the sum is 14.
The spelling of 10010101019 in words is "ten billion, ten million, one hundred one thousand, nineteen".