11142120233201 has 4 divisors (see below), whose sum is σ = 11324777942004. Its totient is φ = 10959462524400.

The previous prime is 11142120233177. The next prime is 11142120233221. The reversal of 11142120233201 is 10233202124111.

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 3892133176801 + 7249987056400 = 1972849^2 + 2692580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142120233201 is a prime.

It is a super-2 number, since 2×11142120233201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142120233221) 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, 91328854310 + ... + 91328854431.

It is an arithmetic number, because the mean of its divisors is an integer number (2831194485501).

Almost surely, 2^{11142120233201} is an apocalyptic number.

It is an amenable number.

11142120233201 is a deficient number, since it is larger than the sum of its proper divisors (182657708803).

11142120233201 is an equidigital number, since it uses as much as digits as its factorization.

11142120233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182657708802.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11142120233201 its reverse (10233202124111), we get a palindrome (21375322357312).

The spelling of 11142120233201 in words is "eleven trillion, one hundred forty-two billion, one hundred twenty million, two hundred thirty-three thousand, two hundred one".