213797221102019 has 2 divisors, whose sum is σ = 213797221102020. Its totient is φ = 213797221102018.

The previous prime is 213797221102007. The next prime is 213797221102043. The reversal of 213797221102019 is 910201122797312.

213797221102019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213797221102019 is a prime.

It is a super-2 number, since 2×213797221102019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213797221102099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106898610551009 + 106898610551010.

It is an arithmetic number, because the mean of its divisors is an integer number (106898610551010).

Almost surely, 2^{213797221102019} is an apocalyptic number.

213797221102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

213797221102019 is an equidigital number, since it uses as much as digits as its factorization.

213797221102019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 213797221102019 in words is "two hundred thirteen trillion, seven hundred ninety-seven billion, two hundred twenty-one million, one hundred two thousand, nineteen".