120110110121977 has 2 divisors, whose sum is σ = 120110110121978. Its totient is φ = 120110110121976.

The previous prime is 120110110121971. The next prime is 120110110122071. The reversal of 120110110121977 is 779121011011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118031080652521 + 2079029469456 = 10864211^2 + 1441884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120110110121977 is a prime.

It is not a weakly prime, because it can be changed into another prime (120110110121971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055055060988 + 60055055060989.

It is an arithmetic number, because the mean of its divisors is an integer number (60055055060989).

Almost surely, 2^{120110110121977} is an apocalyptic number.

It is an amenable number.

120110110121977 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110110121977 is an equidigital number, since it uses as much as digits as its factorization.

120110110121977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 34.

Adding to 120110110121977 its reverse (779121011011021), we get a palindrome (899231121132998).

The spelling of 120110110121977 in words is "one hundred twenty trillion, one hundred ten billion, one hundred ten million, one hundred twenty-one thousand, nine hundred seventy-seven".