120111132109 has 2 divisors, whose sum is σ = 120111132110. Its totient is φ = 120111132108.

The previous prime is 120111132067. The next prime is 120111132131. The reversal of 120111132109 is 901231111021.

It is an a-pointer prime, because the next prime (120111132131) can be obtained adding 120111132109 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93516698025 + 26594434084 = 305805^2 + 163078^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111132109 - 2¹⁵ = 120111099341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120111132109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120111132139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055566054 + 60055566055.

It is an arithmetic number, because the mean of its divisors is an integer number (60055566055).

Almost surely, 2^120111132109 is an apocalyptic number.

It is an amenable number.

120111132109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111132109 is an equidigital number, since it uses as much as digits as its factorization.

120111132109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 120111132109 in words is "one hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, one hundred nine".