1121102023121 has 4 divisors (see below), whose sum is σ = 1157266604544. Its totient is φ = 1084937441700.

The previous prime is 1121102023091. The next prime is 1121102023157. The reversal of 1121102023121 is 1213202011211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121102023121 - 2¹⁴ = 1121102006737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121102023121.

It is not an unprimeable number, because it can be changed into a prime (1121102029121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18082290665 + ... + 18082290726.

It is an arithmetic number, because the mean of its divisors is an integer number (289316651136).

Almost surely, 2^{1121102023121} is an apocalyptic number.

It is an amenable number.

1121102023121 is a deficient number, since it is larger than the sum of its proper divisors (36164581423).

1121102023121 is an equidigital number, since it uses as much as digits as its factorization.

1121102023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36164581422.

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

Adding to 1121102023121 its reverse (1213202011211), we get a palindrome (2334304034332).

The spelling of 1121102023121 in words is "one trillion, one hundred twenty-one billion, one hundred two million, twenty-three thousand, one hundred twenty-one".