11012120213 has 2 divisors, whose sum is σ = 11012120214. Its totient is φ = 11012120212.

The previous prime is 11012120167. The next prime is 11012120219. The reversal of 11012120213 is 31202121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9817242724 + 1194877489 = 99082^2 + 34567^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012120213 - 2³² = 6717152917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012120219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506060106 + 5506060107.

It is an arithmetic number, because the mean of its divisors is an integer number (5506060107).

Almost surely, 2^11012120213 is an apocalyptic number.

It is an amenable number.

11012120213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012120213 is an equidigital number, since it uses as much as digits as its factorization.

11012120213 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 11012120213 its reverse (31202121011), we get a palindrome (42214241224).

The spelling of 11012120213 in words is "eleven billion, twelve million, one hundred twenty thousand, two hundred thirteen".