11001202212331 has 2 divisors, whose sum is σ = 11001202212332. Its totient is φ = 11001202212330.

The previous prime is 11001202212313. The next prime is 11001202212367. The reversal of 11001202212331 is 13321220210011.

Together with previous prime (11001202212313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001202212331 is a prime.

It is a super-2 number, since 2×11001202212331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001202212299 and 11001202212308.

It is not a weakly prime, because it can be changed into another prime (11001202212391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500601106165 + 5500601106166.

It is an arithmetic number, because the mean of its divisors is an integer number (5500601106166).

Almost surely, 2^{11001202212331} is an apocalyptic number.

11001202212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001202212331 is an equidigital number, since it uses as much as digits as its factorization.

11001202212331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11001202212331 its reverse (13321220210011), we get a palindrome (24322422422342).

The spelling of 11001202212331 in words is "eleven trillion, one billion, two hundred two million, two hundred twelve thousand, three hundred thirty-one".