1171122211216 has 40 divisors (see below), whose sum is σ = 2275341868800. Its totient is φ = 583937827200.

The previous prime is 1171122211169. The next prime is 1171122211219. The reversal of 1171122211216 is 6121122211711.

It is not an unprimeable number, because it can be changed into a prime (1171122211219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36400545 + ... + 36432703.

It is an arithmetic number, because the mean of its divisors is an integer number (56883546720).

Almost surely, 2^{1171122211216} is an apocalyptic number.

1171122211216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1171122211216 is a deficient number, since it is larger than the sum of its proper divisors (1104219657584).

1171122211216 is a wasteful number, since it uses less digits than its factorization.

1171122211216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38407 (or 38401 counting only the distinct ones).

The product of its digits is 672, while the sum is 28.

Adding to 1171122211216 its reverse (6121122211711), we get a palindrome (7292244422927).

The spelling of 1171122211216 in words is "one trillion, one hundred seventy-one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred sixteen".