2201111103031 has 2 divisors, whose sum is σ = 2201111103032. Its totient is φ = 2201111103030.

The previous prime is 2201111103007. The next prime is 2201111103073. The reversal of 2201111103031 is 1303011111022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201111103031 - 2⁷ = 2201111102903 is a prime.

It is a super-2 number, since 2×2201111103031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201111102996 and 2201111103014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201111103131) 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 as a sum of consecutive naturals, namely, 1100555551515 + 1100555551516.

It is an arithmetic number, because the mean of its divisors is an integer number (1100555551516).

Almost surely, 2^{2201111103031} is an apocalyptic number.

2201111103031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201111103031 is an equidigital number, since it uses as much as digits as its factorization.

2201111103031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2201111103031 its reverse (1303011111022), we get a palindrome (3504122214053).

The spelling of 2201111103031 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred three thousand, thirty-one".