20100020101019 has 2 divisors, whose sum is σ = 20100020101020. Its totient is φ = 20100020101018.

The previous prime is 20100020100973. The next prime is 20100020101043. The reversal of 20100020101019 is 91010102000102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100020101019 is a prime.

It is a super-2 number, since 2×20100020101019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100020100988 and 20100020101006.

It is not a weakly prime, because it can be changed into another prime (20100020101079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050010050509 + 10050010050510.

It is an arithmetic number, because the mean of its divisors is an integer number (10050010050510).

Almost surely, 2^{20100020101019} is an apocalyptic number.

20100020101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100020101019 is an equidigital number, since it uses as much as digits as its factorization.

20100020101019 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 17.

The spelling of 20100020101019 in words is "twenty trillion, one hundred billion, twenty million, one hundred one thousand, nineteen".