1233110001121 has 4 divisors (see below), whose sum is σ = 1236279950100. Its totient is φ = 1229940052144.

The previous prime is 1233110001113. The next prime is 1233110001127. The reversal of 1233110001121 is 1211000113321.

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 865019044096 + 368090957025 = 930064^2 + 606705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233110001121 - 2³ = 1233110001113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233110001095 and 1233110001104.

It is not an unprimeable number, because it can be changed into a prime (1233110001127) 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, 1584973906 + ... + 1584974683.

It is an arithmetic number, because the mean of its divisors is an integer number (309069987525).

Almost surely, 2^{1233110001121} is an apocalyptic number.

It is an amenable number.

1233110001121 is a deficient number, since it is larger than the sum of its proper divisors (3169948979).

1233110001121 is an equidigital number, since it uses as much as digits as its factorization.

1233110001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169948978.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1233110001121 its reverse (1211000113321), we get a palindrome (2444110114442).

It can be divided in two parts, 12 and 33110001121, that added together give a palindrome (33110001133).

The spelling of 1233110001121 in words is "one trillion, two hundred thirty-three billion, one hundred ten million, one thousand, one hundred twenty-one".