11102122012213 has 4 divisors (see below), whose sum is σ = 11254205875468. Its totient is φ = 10950038148960.

The previous prime is 11102122012181. The next prime is 11102122012259. The reversal of 11102122012213 is 31221022120111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7827332321169 + 3274789691044 = 2797737^2 + 1809638^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102122012213 - 2⁵ = 11102122012181 is a prime.

It is a super-2 number, since 2×11102122012213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102122012613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76041931518 + ... + 76041931663.

It is an arithmetic number, because the mean of its divisors is an integer number (2813551468867).

Almost surely, 2^{11102122012213} is an apocalyptic number.

It is an amenable number.

11102122012213 is a deficient number, since it is larger than the sum of its proper divisors (152083863255).

11102122012213 is an equidigital number, since it uses as much as digits as its factorization.

11102122012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152083863254.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11102122012213 its reverse (31221022120111), we get a palindrome (42323144132324).

The spelling of 11102122012213 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, twelve thousand, two hundred thirteen".