2101012000019 has 2 divisors, whose sum is σ = 2101012000020. Its totient is φ = 2101012000018.

The previous prime is 2101012000007. The next prime is 2101012000091. The reversal of 2101012000019 is 9100002101012.

Together with next prime (2101012000091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101012000019 - 2¹² = 2101011995923 is a prime.

It is a super-2 number, since 2×2101012000019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101011999970 and 2101012000006.

It is not a weakly prime, because it can be changed into another prime (2101012003019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050506000009 + 1050506000010.

It is an arithmetic number, because the mean of its divisors is an integer number (1050506000010).

Almost surely, 2^{2101012000019} is an apocalyptic number.

2101012000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101012000019 is an equidigital number, since it uses as much as digits as its factorization.

2101012000019 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 2101012000019 in words is "two trillion, one hundred one billion, twelve million, nineteen", and thus it is an aban number.