1130121211121 has 16 divisors (see below), whose sum is σ = 1313360519040. Its totient is φ = 952385765760.

The previous prime is 1130121211111. The next prime is 1130121211169. The reversal of 1130121211121 is 1211121210311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130121211121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130121211121.

It is not an unprimeable number, because it can be changed into a prime (1130121211111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068166 + ... + 2556863.

It is an arithmetic number, because the mean of its divisors is an integer number (82085032440).

Almost surely, 2^{1130121211121} is an apocalyptic number.

It is an amenable number.

1130121211121 is a deficient number, since it is larger than the sum of its proper divisors (183239307919).

1130121211121 is an equidigital number, since it uses as much as digits as its factorization.

1130121211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625624.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1130121211121 its reverse (1211121210311), we get a palindrome (2341242421432).

The spelling of 1130121211121 in words is "one trillion, one hundred thirty billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-one".