11211212201120 has 48 divisors (see below), whose sum is σ = 26584225049088. Its totient is φ = 4467936948480.

The previous prime is 11211212201041. The next prime is 11211212201141. The reversal of 11211212201120 is 2110221211211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129237224 + ... + 129323943.

It is an arithmetic number, because the mean of its divisors is an integer number (553838021856).

Almost surely, 2^{11211212201120} is an apocalyptic number.

11211212201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211212201120 is an abundant number, since it is smaller than the sum of its proper divisors (15373012847968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211212201120 is a wasteful number, since it uses less digits than its factorization.

11211212201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258561453 (or 258561445 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211212201120 its reverse (2110221211211), we get a palindrome (13321433412331).

The spelling of 11211212201120 in words is "eleven trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one hundred twenty".