220109871139 has 2 divisors, whose sum is σ = 220109871140. Its totient is φ = 220109871138.

The previous prime is 220109871127. The next prime is 220109871181. The reversal of 220109871139 is 931178901022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220109871139 - 2³¹ = 217962387491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220109871095 and 220109871104.

It is not a weakly prime, because it can be changed into another prime (220109871199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110054935569 + 110054935570.

It is an arithmetic number, because the mean of its divisors is an integer number (110054935570).

Almost surely, 2^220109871139 is an apocalyptic number.

220109871139 is a deficient number, since it is larger than the sum of its proper divisors (1).

220109871139 is an equidigital number, since it uses as much as digits as its factorization.

220109871139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 220109871139 in words is "two hundred twenty billion, one hundred nine million, eight hundred seventy-one thousand, one hundred thirty-nine".