220112120102177 has 2 divisors, whose sum is σ = 220112120102178. Its totient is φ = 220112120102176.

The previous prime is 220112120102143. The next prime is 220112120102201. The reversal of 220112120102177 is 771201021211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111206114975761 + 108906005126416 = 10545431^2 + 10435804^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112120102177 - 2⁸ = 220112120101921 is a prime.

It is a super-3 number, since 3×220112120102177³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (220112120102107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056060051088 + 110056060051089.

It is an arithmetic number, because the mean of its divisors is an integer number (110056060051089).

Almost surely, 2^{220112120102177} is an apocalyptic number.

It is an amenable number.

220112120102177 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112120102177 is an equidigital number, since it uses as much as digits as its factorization.

220112120102177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 220112120102177 its reverse (771201021211022), we get a palindrome (991313141313199).

The spelling of 220112120102177 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty million, one hundred two thousand, one hundred seventy-seven".