220112120110121 has 2 divisors, whose sum is σ = 220112120110122. Its totient is φ = 220112120110120.

The previous prime is 220112120110117. The next prime is 220112120110187. The reversal of 220112120110121 is 121011021211022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147159681021721 + 72952439088400 = 12130939^2 + 8541220^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112120110121 - 2² = 220112120110117 is a prime.

It is a super-3 number, since 3×220112120110121³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220112120110121.

It is not a weakly prime, because it can be changed into another prime (220112120116121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056060055060 + 110056060055061.

It is an arithmetic number, because the mean of its divisors is an integer number (110056060055061).

Almost surely, 2^{220112120110121} is an apocalyptic number.

It is an amenable number.

220112120110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112120110121 is an equidigital number, since it uses as much as digits as its factorization.

220112120110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220112120110121 its reverse (121011021211022), we get a palindrome (341123141321143).

The spelling of 220112120110121 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".