11201122112131 has 6 divisors (see below), whose sum is σ = 13029876742740. Its totient is φ = 9600961810356.

The previous prime is 11201122112123. The next prime is 11201122112137. The reversal of 11201122112131 is 13121122110211.

It is not a de Polignac number, because 11201122112131 - 2³ = 11201122112123 is a prime.

It is a super-2 number, since 2×11201122112131² (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 = 11201122112099 and 11201122112108.

It is not an unprimeable number, because it can be changed into a prime (11201122112137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114297164361 + ... + 114297164458.

It is an arithmetic number, because the mean of its divisors is an integer number (2171646123790).

Almost surely, 2^{11201122112131} is an apocalyptic number.

11201122112131 is a deficient number, since it is larger than the sum of its proper divisors (1828754630609).

11201122112131 is an equidigital number, since it uses as much as digits as its factorization.

11201122112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228594328833 (or 228594328826 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11201122112131 its reverse (13121122110211), we get a palindrome (24322244222342).

The spelling of 11201122112131 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirty-one".