131022221219 has 2 divisors, whose sum is σ = 131022221220. Its totient is φ = 131022221218.

The previous prime is 131022221207. The next prime is 131022221227. The reversal of 131022221219 is 912122220131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131022221219 - 2⁴ = 131022221203 is a prime.

It is a super-2 number, since 2×131022221219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131022221119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511110609 + 65511110610.

It is an arithmetic number, because the mean of its divisors is an integer number (65511110610).

Almost surely, 2^131022221219 is an apocalyptic number.

131022221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022221219 is an equidigital number, since it uses as much as digits as its factorization.

131022221219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 131022221219 in words is "one hundred thirty-one billion, twenty-two million, two hundred twenty-one thousand, two hundred nineteen".