1211120241024 has 64 divisors (see below), whose sum is σ = 3217249373040. Its totient is φ = 403680239616.

The previous prime is 1211120241017. The next prime is 1211120241029. The reversal of 1211120241024 is 4201420211121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211120241029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6261084 + ... + 6451620.

Almost surely, 2^{1211120241024} is an apocalyptic number.

It is an amenable number.

1211120241024 is an abundant number, since it is smaller than the sum of its proper divisors (2006129132016).

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

1211120241024 is a wasteful number, since it uses less digits than its factorization.

1211120241024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207107 (or 207095 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1211120241024 its reverse (4201420211121), we get a palindrome (5412540452145).

The spelling of 1211120241024 in words is "one trillion, two hundred eleven billion, one hundred twenty million, two hundred forty-one thousand, twenty-four".