2100102102149 has 2 divisors, whose sum is σ = 2100102102150. Its totient is φ = 2100102102148.

The previous prime is 2100102102113. The next prime is 2100102102151. The reversal of 2100102102149 is 9412012010012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999141488100 + 100960614049 = 1413910^2 + 317743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100102102149 is a prime.

Together with 2100102102151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100102102179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050051051074 + 1050051051075.

It is an arithmetic number, because the mean of its divisors is an integer number (1050051051075).

Almost surely, 2^{2100102102149} is an apocalyptic number.

It is an amenable number.

2100102102149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100102102149 is an equidigital number, since it uses as much as digits as its factorization.

2100102102149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 2100102102149 in words is "two trillion, one hundred billion, one hundred two million, one hundred two thousand, one hundred forty-nine".