1211113011120 has 80 divisors (see below), whose sum is σ = 3917687323392. Its totient is φ = 308921578240.

The previous prime is 1211113011107. The next prime is 1211113011139. The reversal of 1211113011120 is 211103111121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1211113011120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109696746 + ... + 109707785.

Almost surely, 2^{1211113011120} is an apocalyptic number.

1211113011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211113011120 is an abundant number, since it is smaller than the sum of its proper divisors (2706574312272).

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

1211113011120 is a wasteful number, since it uses less digits than its factorization.

1211113011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219404570 (or 219404564 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1211113011120 its reverse (211103111121), we get a palindrome (1422216122241).

The spelling of 1211113011120 in words is "one trillion, two hundred eleven billion, one hundred thirteen million, eleven thousand, one hundred twenty".