1121020120222 has 32 divisors (see below), whose sum is σ = 1778913506304. Its totient is φ = 528987110400.

The previous prime is 1121020120151. The next prime is 1121020120237. The reversal of 1121020120222 is 2220210201211.

It is a happy number.

It is a super-2 number, since 2×1121020120222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121020120196 and 1121020120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380913 + ... + 2036899.

It is an arithmetic number, because the mean of its divisors is an integer number (55591047072).

Almost surely, 2^{1121020120222} is an apocalyptic number.

1121020120222 is a deficient number, since it is larger than the sum of its proper divisors (657893386082).

1121020120222 is a wasteful number, since it uses less digits than its factorization.

1121020120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656704.

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

Adding to 1121020120222 its reverse (2220210201211), we get a palindrome (3341230321433).

The spelling of 1121020120222 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred twenty thousand, two hundred twenty-two".