20103210011 has 2 divisors, whose sum is σ = 20103210012. Its totient is φ = 20103210010.

The previous prime is 20103209981. The next prime is 20103210163. The reversal of 20103210011 is 11001230102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103210011 - 2²² = 20099015707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20103209974 and 20103210001.

It is not a weakly prime, because it can be changed into another prime (20103210511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051605005 + 10051605006.

It is an arithmetic number, because the mean of its divisors is an integer number (10051605006).

Almost surely, 2^20103210011 is an apocalyptic number.

20103210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103210011 is an equidigital number, since it uses as much as digits as its factorization.

20103210011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20103210011 its reverse (11001230102), we get a palindrome (31104440113).

The spelling of 20103210011 in words is "twenty billion, one hundred three million, two hundred ten thousand, eleven".