11671221502226 has 32 divisors (see below), whose sum is σ = 20610405849600. Its totient is φ = 4886792542080.

The previous prime is 11671221502211. The next prime is 11671221502267. The reversal of 11671221502226 is 62220512217611.

It is a super-2 number, since 2×11671221502226² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11671221502226.

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 15 ways as a sum of consecutive naturals, for example, 42460571 + ... + 42734558.

It is an arithmetic number, because the mean of its divisors is an integer number (644075182800).

Almost surely, 2^{11671221502226} is an apocalyptic number.

11671221502226 is a deficient number, since it is larger than the sum of its proper divisors (8939184347374).

11671221502226 is a wasteful number, since it uses less digits than its factorization.

11671221502226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85195634.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 11671221502226 its reverse (62220512217611), we get a palindrome (73891733719837).

The spelling of 11671221502226 in words is "eleven trillion, six hundred seventy-one billion, two hundred twenty-one million, five hundred two thousand, two hundred twenty-six".