11220133331278 has 4 divisors (see below), whose sum is σ = 16830199996920. Its totient is φ = 5610066665638.

The previous prime is 11220133331203. The next prime is 11220133331279. The reversal of 11220133331278 is 87213333102211.

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

It is a super-2 number, since 2×11220133331278² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220133331279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805033332818 + ... + 2805033332821.

It is an arithmetic number, because the mean of its divisors is an integer number (4207549999230).

Almost surely, 2^{11220133331278} is an apocalyptic number.

11220133331278 is a deficient number, since it is larger than the sum of its proper divisors (5610066665642).

11220133331278 is an equidigital number, since it uses as much as digits as its factorization.

11220133331278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610066665641.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 11220133331278 its reverse (87213333102211), we get a palindrome (98433466433489).

The spelling of 11220133331278 in words is "eleven trillion, two hundred twenty billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred seventy-eight".