131022021127 has 2 divisors, whose sum is σ = 131022021128. Its totient is φ = 131022021126.

The previous prime is 131022021107. The next prime is 131022021133. The reversal of 131022021127 is 721120220131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131022021127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131022021098 and 131022021107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131022021107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511010563 + 65511010564.

It is an arithmetic number, because the mean of its divisors is an integer number (65511010564).

Almost surely, 2^131022021127 is an apocalyptic number.

131022021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022021127 is an equidigital number, since it uses as much as digits as its factorization.

131022021127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 131022021127 its reverse (721120220131), we get a palindrome (852142241258).

The spelling of 131022021127 in words is "one hundred thirty-one billion, twenty-two million, twenty-one thousand, one hundred twenty-seven".