1120220012121 has 32 divisors (see below), whose sum is σ = 1744039047168. Its totient is φ = 626248018560.

The previous prime is 1120220012117. The next prime is 1120220012173. The reversal of 1120220012121 is 1212100220211.

It is not a de Polignac number, because 1120220012121 - 2² = 1120220012117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120220012121.

It is not an unprimeable number, because it can be changed into a prime (1120220012621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2176786 + ... + 2641748.

It is an arithmetic number, because the mean of its divisors is an integer number (54501220224).

Almost surely, 2^{1120220012121} is an apocalyptic number.

It is an amenable number.

1120220012121 is a deficient number, since it is larger than the sum of its proper divisors (623819035047).

1120220012121 is a wasteful number, since it uses less digits than its factorization.

1120220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467461.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120220012121 its reverse (1212100220211), we get a palindrome (2332320232332).

The spelling of 1120220012121 in words is "one trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, one hundred twenty-one".