120011022109 has 6 divisors (see below), whose sum is σ = 131912941790. Its totient is φ = 109100929080.

The previous prime is 120011022097. The next prime is 120011022127. The reversal of 120011022109 is 901220110021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119856517209 + 154504900 = 346203^2 + 12430^2 .

It is a de Polignac number, because none of the positive numbers 2^k-120011022109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011022149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495913194 + ... + 495913435.

Almost surely, 2^120011022109 is an apocalyptic number.

It is an amenable number.

120011022109 is a deficient number, since it is larger than the sum of its proper divisors (11901919681).

120011022109 is an equidigital number, since it uses as much as digits as its factorization.

120011022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991826651 (or 991826640 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 120011022109 in words is "one hundred twenty billion, eleven million, twenty-two thousand, one hundred nine".