2123210103011 has 2 divisors, whose sum is σ = 2123210103012. Its totient is φ = 2123210103010.

The previous prime is 2123210102957. The next prime is 2123210103013. The reversal of 2123210103011 is 1103010123212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123210103011 is a prime.

It is a super-2 number, since 2×2123210103011² (a number of 25 digits) contains 22 as substring.

Together with 2123210103013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2123210103013) 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, 1061605051505 + 1061605051506.

It is an arithmetic number, because the mean of its divisors is an integer number (1061605051506).

Almost surely, 2^{2123210103011} is an apocalyptic number.

2123210103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123210103011 is an equidigital number, since it uses as much as digits as its factorization.

2123210103011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2123210103011 its reverse (1103010123212), we get a palindrome (3226220226223).

The spelling of 2123210103011 in words is "two trillion, one hundred twenty-three billion, two hundred ten million, one hundred three thousand, eleven".