1120220120121 has 8 divisors (see below), whose sum is σ = 1493638877184. Its totient is φ = 746807388240.

The previous prime is 1120220120113. The next prime is 1120220120171. The reversal of 1120220120121 is 1210210220211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120220120121 - 2³ = 1120220120113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120220120121.

It is not an unprimeable number, because it can be changed into a prime (1120220120171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052985 + ... + 1830086.

It is an arithmetic number, because the mean of its divisors is an integer number (186704859648).

Almost surely, 2^{1120220120121} is an apocalyptic number.

It is an amenable number.

1120220120121 is a deficient number, since it is larger than the sum of its proper divisors (373418757063).

1120220120121 is a wasteful number, since it uses less digits than its factorization.

1120220120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012591.

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

Adding to 1120220120121 its reverse (1210210220211), we get a palindrome (2330430340332).

The spelling of 1120220120121 in words is "one trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-one".