11202111001121 has 4 divisors (see below), whose sum is σ = 11563469420544. Its totient is φ = 10840752581700.

The previous prime is 11202111001091. The next prime is 11202111001157. The reversal of 11202111001121 is 12110011120211.

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 not a de Polignac number, because 11202111001121 - 2¹⁴ = 11202110984737 is a prime.

It is a super-2 number, since 2×11202111001121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202111001096 and 11202111001105.

It is not an unprimeable number, because it can be changed into a prime (11202111001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180679209665 + ... + 180679209726.

It is an arithmetic number, because the mean of its divisors is an integer number (2890867355136).

Almost surely, 2^{11202111001121} is an apocalyptic number.

It is an amenable number.

11202111001121 is a deficient number, since it is larger than the sum of its proper divisors (361358419423).

11202111001121 is an equidigital number, since it uses as much as digits as its factorization.

11202111001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361358419422.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11202111001121 its reverse (12110011120211), we get a palindrome (23312122121332).

The spelling of 11202111001121 in words is "eleven trillion, two hundred two billion, one hundred eleven million, one thousand, one hundred twenty-one".