2101000104101 has 2 divisors, whose sum is σ = 2101000104102. Its totient is φ = 2101000104100.

The previous prime is 2101000104097. The next prime is 2101000104109. The reversal of 2101000104101 is 1014010001012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1740671229025 + 360328875076 = 1319345^2 + 600274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101000104101 - 2² = 2101000104097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101000104109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050500052050 + 1050500052051.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500052051).

Almost surely, 2^{2101000104101} is an apocalyptic number.

It is an amenable number.

2101000104101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101000104101 is an equidigital number, since it uses as much as digits as its factorization.

2101000104101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101000104101 its reverse (1014010001012), we get a palindrome (3115010105113).

The spelling of 2101000104101 in words is "two trillion, one hundred one billion, one hundred four thousand, one hundred one".