211122112210013 has 4 divisors (see below), whose sum is σ = 211125197190300. Its totient is φ = 211119027229728.

The previous prime is 211122112210007. The next prime is 211122112210019. The reversal of 211122112210013 is 310012211221112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (211122112210007) and next prime (211122112210019).

It can be written as a sum of positive squares in 2 ways, for example, as 64156607687524 + 146965504522489 = 8009782^2 + 12122933^2 .

It is a cyclic number.

It is not a de Polignac number, because 211122112210013 - 2⁴ = 211122112209997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122112210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542387488 + ... + 1542524361.

It is an arithmetic number, because the mean of its divisors is an integer number (52781299297575).

Almost surely, 2^{211122112210013} is an apocalyptic number.

It is an amenable number.

211122112210013 is a deficient number, since it is larger than the sum of its proper divisors (3084980287).

211122112210013 is an equidigital number, since it uses as much as digits as its factorization.

211122112210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084980286.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 211122112210013 its reverse (310012211221112), we get a palindrome (521134323431125).

The spelling of 211122112210013 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, thirteen".