1231121122041 has 8 divisors (see below), whose sum is σ = 1641785536384. Its totient is φ = 820602061200.

The previous prime is 1231121122031. The next prime is 1231121122093. The reversal of 1231121122041 is 1402211211321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231121122041 - 2⁶ = 1231121121977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231121121999 and 1231121122017.

It is not an unprimeable number, because it can be changed into a prime (1231121122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36318610 + ... + 36352491.

It is an arithmetic number, because the mean of its divisors is an integer number (205223192048).

Almost surely, 2^{1231121122041} is an apocalyptic number.

It is an amenable number.

1231121122041 is a deficient number, since it is larger than the sum of its proper divisors (410664414343).

1231121122041 is an equidigital number, since it uses as much as digits as its factorization.

1231121122041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72676751.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1231121122041 its reverse (1402211211321), we get a palindrome (2633332333362).

The spelling of 1231121122041 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, forty-one".