131122212701 has 2 divisors, whose sum is σ = 131122212702. Its totient is φ = 131122212700.

The previous prime is 131122212671. The next prime is 131122212713. The reversal of 131122212701 is 107212221131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78807087076 + 52315125625 = 280726^2 + 228725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131122212701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131122262701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561106350 + 65561106351.

It is an arithmetic number, because the mean of its divisors is an integer number (65561106351).

Almost surely, 2^131122212701 is an apocalyptic number.

It is an amenable number.

131122212701 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122212701 is an equidigital number, since it uses as much as digits as its factorization.

131122212701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 131122212701 its reverse (107212221131), we get a palindrome (238334433832).

The spelling of 131122212701 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred twelve thousand, seven hundred one".