2106261421241 has 2 divisors, whose sum is σ = 2106261421242. Its totient is φ = 2106261421240.

The previous prime is 2106261421223. The next prime is 2106261421261. The reversal of 2106261421241 is 1421241626012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592717196841 + 513544224400 = 1262029^2 + 716620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106261421241 - 2¹⁴ = 2106261404857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2106261421198 and 2106261421207.

It is not a weakly prime, because it can be changed into another prime (2106261421261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053130710620 + 1053130710621.

It is an arithmetic number, because the mean of its divisors is an integer number (1053130710621).

Almost surely, 2^{2106261421241} is an apocalyptic number.

It is an amenable number.

2106261421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106261421241 is an equidigital number, since it uses as much as digits as its factorization.

2106261421241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 2106261421241 in words is "two trillion, one hundred six billion, two hundred sixty-one million, four hundred twenty-one thousand, two hundred forty-one".