1121020202212 has 12 divisors (see below), whose sum is σ = 2077184492460. Its totient is φ = 527538918656.

The previous prime is 1121020202171. The next prime is 1121020202261. The reversal of 1121020202212 is 2122020201211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 975657964516 + 145362237696 = 987754^2 + 381264^2 .

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 3 ways as a sum of consecutive naturals, for example, 8242795537 + ... + 8242795672.

It is an arithmetic number, because the mean of its divisors is an integer number (173098707705).

Almost surely, 2^{1121020202212} is an apocalyptic number.

It is an amenable number.

1121020202212 is a deficient number, since it is larger than the sum of its proper divisors (956164290248).

1121020202212 is a wasteful number, since it uses less digits than its factorization.

1121020202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485591230 (or 16485591228 counting only the distinct ones).

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

Adding to 1121020202212 its reverse (2122020201211), we get a palindrome (3243040403423).

The spelling of 1121020202212 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred two thousand, two hundred twelve".