1120020122221 has 16 divisors (see below), whose sum is σ = 1503803242368. Its totient is φ = 805608878400.

The previous prime is 1120020122203. The next prime is 1120020122233. The reversal of 1120020122221 is 1222210200211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120020122221 - 2⁷ = 1120020122093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120020122195 and 1120020122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120020132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559449610 + ... + 559451611.

It is an arithmetic number, because the mean of its divisors is an integer number (93987702648).

Almost surely, 2^{1120020122221} is an apocalyptic number.

1120020122221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120020122221 is a deficient number, since it is larger than the sum of its proper divisors (383783120147).

1120020122221 is a wasteful number, since it uses less digits than its factorization.

1120020122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118901252.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1120020122221 its reverse (1222210200211), we get a palindrome (2342230322432).

The spelling of 1120020122221 in words is "one trillion, one hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".