1113233020121 has 4 divisors (see below), whose sum is σ = 1140385045044. Its totient is φ = 1086080995200.

The previous prime is 1113233020079. The next prime is 1113233020183. The reversal of 1113233020121 is 1210203323111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127509697225 + 985723322896 = 357085^2 + 992836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113233020121 - 2²² = 1113228825817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113233020093 and 1113233020102.

It is not an unprimeable number, because it can be changed into a prime (1113233023121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13576012400 + ... + 13576012481.

It is an arithmetic number, because the mean of its divisors is an integer number (285096261261).

Almost surely, 2^{1113233020121} is an apocalyptic number.

It is an amenable number.

1113233020121 is a deficient number, since it is larger than the sum of its proper divisors (27152024923).

1113233020121 is an equidigital number, since it uses as much as digits as its factorization.

1113233020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27152024922.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1113233020121 its reverse (1210203323111), we get a palindrome (2323436343232).

The spelling of 1113233020121 in words is "one trillion, one hundred thirteen billion, two hundred thirty-three million, twenty thousand, one hundred twenty-one".