11221320101213 has 8 divisors (see below), whose sum is σ = 11405379354240. Its totient is φ = 11037264176880.

The previous prime is 11221320101209. The next prime is 11221320101231. The reversal of 11221320101213 is 31210102312211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221320101213 - 2² = 11221320101209 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 (11221320101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489248 + ... + 8034486.

It is an arithmetic number, because the mean of its divisors is an integer number (1425672419280).

Almost surely, 2^{11221320101213} is an apocalyptic number.

It is an amenable number.

11221320101213 is a deficient number, since it is larger than the sum of its proper divisors (184059253027).

11221320101213 is a wasteful number, since it uses less digits than its factorization.

11221320101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664347.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11221320101213 its reverse (31210102312211), we get a palindrome (42431422413424).

The spelling of 11221320101213 in words is "eleven trillion, two hundred twenty-one billion, three hundred twenty million, one hundred one thousand, two hundred thirteen".