211120102013 has 2 divisors, whose sum is σ = 211120102014. Its totient is φ = 211120102012.

The previous prime is 211120102007. The next prime is 211120102043. The reversal of 211120102013 is 310201021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204270553369 + 6849548644 = 451963^2 + 82762^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120102013 - 2¹⁸ = 211119839869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211120102043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560051006 + 105560051007.

It is an arithmetic number, because the mean of its divisors is an integer number (105560051007).

Almost surely, 2^211120102013 is an apocalyptic number.

It is an amenable number.

211120102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120102013 is an equidigital number, since it uses as much as digits as its factorization.

211120102013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211120102013 its reverse (310201021112), we get a palindrome (521321123125).

The spelling of 211120102013 in words is "two hundred eleven billion, one hundred twenty million, one hundred two thousand, thirteen".