11221206120164 has 24 divisors (see below), whose sum is σ = 19811488139520. Its totient is φ = 5560783933824.

The previous prime is 11221206120107. The next prime is 11221206120203. The reversal of 11221206120164 is 46102160212211.

It is a happy number.

It is a super-3 number, since 3×11221206120164³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15353957 + ... + 16068179.

It is an arithmetic number, because the mean of its divisors is an integer number (825478672480).

Almost surely, 2^{11221206120164} is an apocalyptic number.

It is an amenable number.

11221206120164 is a deficient number, since it is larger than the sum of its proper divisors (8590282019356).

11221206120164 is a wasteful number, since it uses less digits than its factorization.

11221206120164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749099 (or 749097 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 11221206120164 its reverse (46102160212211), we get a palindrome (57323366332375).

The spelling of 11221206120164 in words is "eleven trillion, two hundred twenty-one billion, two hundred six million, one hundred twenty thousand, one hundred sixty-four".