2110002000521 has 2 divisors, whose sum is σ = 2110002000522. Its totient is φ = 2110002000520.

The previous prime is 2110002000497. The next prime is 2110002000523. The reversal of 2110002000521 is 1250002000112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1618011984121 + 491990016400 = 1272011^2 + 701420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110002000521 is a prime.

It is a super-3 number, since 3×2110002000521³ (a number of 38 digits) contains 333 as substring.

Together with 2110002000523, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110002000496 and 2110002000505.

It is not a weakly prime, because it can be changed into another prime (2110002000523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055001000260 + 1055001000261.

It is an arithmetic number, because the mean of its divisors is an integer number (1055001000261).

Almost surely, 2^{2110002000521} is an apocalyptic number.

It is an amenable number.

2110002000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110002000521 is an equidigital number, since it uses as much as digits as its factorization.

2110002000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 2110002000521 its reverse (1250002000112), we get a palindrome (3360004000633).

The spelling of 2110002000521 in words is "two trillion, one hundred ten billion, two million, five hundred twenty-one", and thus it is an aban number.