1120020121221 has 8 divisors (see below), whose sum is σ = 1493370953760. Its totient is φ = 746674684752.

The previous prime is 1120020121193. The next prime is 1120020121223. The reversal of 1120020121221 is 1221210200211.

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

It is not a de Polignac number, because 1120020121221 - 2¹¹ = 1120020119173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120020121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120020121223) 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, 836935 + ... + 1714788.

It is an arithmetic number, because the mean of its divisors is an integer number (186671369220).

Almost surely, 2^{1120020121221} is an apocalyptic number.

It is an amenable number.

1120020121221 is a deficient number, since it is larger than the sum of its proper divisors (373350832539).

1120020121221 is a wasteful number, since it uses less digits than its factorization.

1120020121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698035.

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

Adding to 1120020121221 its reverse (1221210200211), we get a palindrome (2341230321432).

The spelling of 1120020121221 in words is "one trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred twenty-one".