1121033220212 has 6 divisors (see below), whose sum is σ = 1961808135378. Its totient is φ = 560516610104.

The previous prime is 1121033220191. The next prime is 1121033220269. The reversal of 1121033220212 is 2120223301211.

It can be written as a sum of positive squares in only one way, i.e., 1083751789156 + 37281431056 = 1041034^2 + 193084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140129152523 + ... + 140129152530.

It is an arithmetic number, because the mean of its divisors is an integer number (326968022563).

Almost surely, 2^{1121033220212} is an apocalyptic number.

It is an amenable number.

1121033220212 is a deficient number, since it is larger than the sum of its proper divisors (840774915166).

1121033220212 is a wasteful number, since it uses less digits than its factorization.

1121033220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280258305057 (or 280258305055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121033220212 its reverse (2120223301211), we get a palindrome (3241256521423).

The spelling of 1121033220212 in words is "one trillion, one hundred twenty-one billion, thirty-three million, two hundred twenty thousand, two hundred twelve".