11221202111013 has 6 divisors (see below), whose sum is σ = 16208403049254. Its totient is φ = 7480801407336.

The previous prime is 11221202111011. The next prime is 11221202111153. The reversal of 11221202111013 is 31011120212211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11165535371169 + 55666739844 = 3341487^2 + 235938^2 .

It is not a de Polignac number, because 11221202111013 - 2¹ = 11221202111011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221202111011) 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 5 ways as a sum of consecutive naturals, for example, 623400117270 + ... + 623400117287.

It is an arithmetic number, because the mean of its divisors is an integer number (2701400508209).

Almost surely, 2^{11221202111013} is an apocalyptic number.

It is an amenable number.

11221202111013 is a deficient number, since it is larger than the sum of its proper divisors (4987200938241).

11221202111013 is a wasteful number, since it uses less digits than its factorization.

11221202111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246800234563 (or 1246800234560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11221202111013 its reverse (31011120212211), we get a palindrome (42232322323224).

The spelling of 11221202111013 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, one hundred eleven thousand, thirteen".