120110019977 has 2 divisors, whose sum is σ = 120110019978. Its totient is φ = 120110019976.

The previous prime is 120110019973. The next prime is 120110020067. The reversal of 120110019977 is 779910011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104994792841 + 15115227136 = 324029^2 + 122944^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110019977 - 2² = 120110019973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120110019977.

It is not a weakly prime, because it can be changed into another prime (120110019971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055009988 + 60055009989.

It is an arithmetic number, because the mean of its divisors is an integer number (60055009989).

Almost surely, 2^120110019977 is an apocalyptic number.

It is an amenable number.

120110019977 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110019977 is an equidigital number, since it uses as much as digits as its factorization.

120110019977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 38.

The spelling of 120110019977 in words is "one hundred twenty billion, one hundred ten million, nineteen thousand, nine hundred seventy-seven".