1121123102021 has 12 divisors (see below), whose sum is σ = 1214082053280. Its totient is φ = 1034810534160.

The previous prime is 1121123102003. The next prime is 1121123102027. The reversal of 1121123102021 is 1202013211211.

It is a happy number.

It is not a de Polignac number, because 1121123102021 - 2⁶ = 1121123101957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121123102027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2273216 + ... + 2722086.

It is an arithmetic number, because the mean of its divisors is an integer number (101173504440).

Almost surely, 2^{1121123102021} is an apocalyptic number.

It is an amenable number.

1121123102021 is a deficient number, since it is larger than the sum of its proper divisors (92958951259).

1121123102021 is a wasteful number, since it uses less digits than its factorization.

1121123102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463676 (or 463663 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121123102021 its reverse (1202013211211), we get a palindrome (2323136313232).

The spelling of 1121123102021 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, one hundred two thousand, twenty-one".