11023231121201 has 4 divisors (see below), whose sum is σ = 11871171976692. Its totient is φ = 10175290265712.

The previous prime is 11023231121131. The next prime is 11023231121233. The reversal of 11023231121201 is 10212113232011.

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 1205812629025 + 9817418492176 = 1098095^2 + 3133276^2 .

It is not a de Polignac number, because 11023231121201 - 2³⁸ = 10748353214257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11023231121251) 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, 423970427726 + ... + 423970427751.

It is an arithmetic number, because the mean of its divisors is an integer number (2967792994173).

Almost surely, 2^{11023231121201} is an apocalyptic number.

It is an amenable number.

11023231121201 is a deficient number, since it is larger than the sum of its proper divisors (847940855491).

11023231121201 is an equidigital number, since it uses as much as digits as its factorization.

11023231121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847940855490.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11023231121201 its reverse (10212113232011), we get a palindrome (21235344353212).

The spelling of 11023231121201 in words is "eleven trillion, twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred one".