12100222111031 has 2 divisors, whose sum is σ = 12100222111032. Its totient is φ = 12100222111030.

The previous prime is 12100222111009. The next prime is 12100222111067. The reversal of 12100222111031 is 13011122200121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13011122200121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100222111031 is a prime.

It is a super-2 number, since 2×12100222111031² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100222111091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050111055515 + 6050111055516.

It is an arithmetic number, because the mean of its divisors is an integer number (6050111055516).

Almost surely, 2^{12100222111031} is an apocalyptic number.

12100222111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100222111031 is an equidigital number, since it uses as much as digits as its factorization.

12100222111031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12100222111031 its reverse (13011122200121), we get a palindrome (25111344311152).

The spelling of 12100222111031 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, one hundred eleven thousand, thirty-one".