220042104122377 has 2 divisors, whose sum is σ = 220042104122378. Its totient is φ = 220042104122376.

The previous prime is 220042104122317. The next prime is 220042104122411. The reversal of 220042104122377 is 773221401240022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148725244527616 + 71316859594761 = 12195296^2 + 8444931^2 .

It is a cyclic number.

It is not a de Polignac number, because 220042104122377 - 2²³ = 220042095733769 is a prime.

It is a super-2 number, since 2×220042104122377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220042104122317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021052061188 + 110021052061189.

It is an arithmetic number, because the mean of its divisors is an integer number (110021052061189).

Almost surely, 2^{220042104122377} is an apocalyptic number.

It is an amenable number.

220042104122377 is a deficient number, since it is larger than the sum of its proper divisors (1).

220042104122377 is an equidigital number, since it uses as much as digits as its factorization.

220042104122377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 220042104122377 its reverse (773221401240022), we get a palindrome (993263505362399).

The spelling of 220042104122377 in words is "two hundred twenty trillion, forty-two billion, one hundred four million, one hundred twenty-two thousand, three hundred seventy-seven".