2101100849867 has 2 divisors, whose sum is σ = 2101100849868. Its totient is φ = 2101100849866.

The previous prime is 2101100849851. The next prime is 2101100849873. The reversal of 2101100849867 is 7689480011012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101100849867 - 2⁴ = 2101100849851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101100849767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050550424933 + 1050550424934.

It is an arithmetic number, because the mean of its divisors is an integer number (1050550424934).

Almost surely, 2^{2101100849867} is an apocalyptic number.

2101100849867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101100849867 is an equidigital number, since it uses as much as digits as its factorization.

2101100849867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 2101100849867 in words is "two trillion, one hundred one billion, one hundred million, eight hundred forty-nine thousand, eight hundred sixty-seven".