2101343400019 has 2 divisors, whose sum is σ = 2101343400020. Its totient is φ = 2101343400018.

The previous prime is 2101343400001. The next prime is 2101343400073. The reversal of 2101343400019 is 9100043431012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101343400019 - 2²¹ = 2101341302867 is a prime.

It is a super-2 number, since 2×2101343400019² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101343400019.

It is not a weakly prime, because it can be changed into another prime (2101343430019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050671700009 + 1050671700010.

It is an arithmetic number, because the mean of its divisors is an integer number (1050671700010).

Almost surely, 2^{2101343400019} is an apocalyptic number.

2101343400019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101343400019 is an equidigital number, since it uses as much as digits as its factorization.

2101343400019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 2101343400019 in words is "two trillion, one hundred one billion, three hundred forty-three million, four hundred thousand, nineteen".