11221102111031 has 2 divisors, whose sum is σ = 11221102111032. Its totient is φ = 11221102111030.

The previous prime is 11221102111019. The next prime is 11221102111033. The reversal of 11221102111031 is 13011120112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221102111031 - 2²² = 11221097916727 is a prime.

It is a super-2 number, since 2×11221102111031² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 11221102111033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221102111033) 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 as a sum of consecutive naturals, namely, 5610551055515 + 5610551055516.

It is an arithmetic number, because the mean of its divisors is an integer number (5610551055516).

Almost surely, 2^{11221102111031} is an apocalyptic number.

11221102111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221102111031 is an equidigital number, since it uses as much as digits as its factorization.

11221102111031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11221102111031 its reverse (13011120112211), we get a palindrome (24232222223242).

The spelling of 11221102111031 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, one hundred eleven thousand, thirty-one".