11201122101031 has 2 divisors, whose sum is σ = 11201122101032. Its totient is φ = 11201122101030.

The previous prime is 11201122100953. The next prime is 11201122101041. The reversal of 11201122101031 is 13010122110211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201122101031 - 2²³ = 11201113712423 is a prime.

It is a super-2 number, since 2×11201122101031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201122100996 and 11201122101014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201122101041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600561050515 + 5600561050516.

It is an arithmetic number, because the mean of its divisors is an integer number (5600561050516).

Almost surely, 2^{11201122101031} is an apocalyptic number.

11201122101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201122101031 is an equidigital number, since it uses as much as digits as its factorization.

11201122101031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11201122101031 its reverse (13010122110211), we get a palindrome (24211244211242).

The spelling of 11201122101031 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, one hundred one thousand, thirty-one".