11230233220121 has 4 divisors (see below), whose sum is σ = 11469174352512. Its totient is φ = 10991292087732.

The previous prime is 11230233220093. The next prime is 11230233220139. The reversal of 11230233220121 is 12102233203211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11230233220121 is a prime.

It is a super-2 number, since 2×11230233220121² (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 (11230233220721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119470566125 + ... + 119470566218.

It is an arithmetic number, because the mean of its divisors is an integer number (2867293588128).

Almost surely, 2^{11230233220121} is an apocalyptic number.

It is an amenable number.

11230233220121 is a deficient number, since it is larger than the sum of its proper divisors (238941132391).

11230233220121 is an equidigital number, since it uses as much as digits as its factorization.

11230233220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238941132390.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11230233220121 its reverse (12102233203211), we get a palindrome (23332466423332).

The spelling of 11230233220121 in words is "eleven trillion, two hundred thirty billion, two hundred thirty-three million, two hundred twenty thousand, one hundred twenty-one".