2100020010019 has 2 divisors, whose sum is σ = 2100020010020. Its totient is φ = 2100020010018.

The previous prime is 2100020010017. The next prime is 2100020010037. The reversal of 2100020010019 is 9100100200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100020010019 - 2¹ = 2100020010017 is a prime.

It is a super-2 number, since 2×2100020010019² (a number of 25 digits) contains 22 as substring.

Together with 2100020010017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2100020009984 and 2100020010011.

It is not a weakly prime, because it can be changed into another prime (2100020010017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050010005009 + 1050010005010.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010005010).

Almost surely, 2^{2100020010019} is an apocalyptic number.

2100020010019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100020010019 is an equidigital number, since it uses as much as digits as its factorization.

2100020010019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 2100020010019 in words is "two trillion, one hundred billion, twenty million, ten thousand, nineteen".