120110101109 has 2 divisors, whose sum is σ = 120110101110. Its totient is φ = 120110101108.

The previous prime is 120110101099. The next prime is 120110101129. The reversal of 120110101109 is 901101011021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110685963025 + 9424138084 = 332695^2 + 97078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120110101109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120110101129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055050554 + 60055050555.

It is an arithmetic number, because the mean of its divisors is an integer number (60055050555).

Almost surely, 2^120110101109 is an apocalyptic number.

It is an amenable number.

120110101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110101109 is an equidigital number, since it uses as much as digits as its factorization.

120110101109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 120110101109 in words is "one hundred twenty billion, one hundred ten million, one hundred one thousand, one hundred nine".