120220211009 has 4 divisors (see below), whose sum is σ = 120221418240. Its totient is φ = 120219003780.

The previous prime is 120220210997. The next prime is 120220211053. The reversal of 120220211009 is 900112022021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900112022021 = 30259 ⋅29746919.

It is a cyclic number.

It is not a de Polignac number, because 120220211009 - 2³⁶ = 51500734273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120220217009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439337 + ... + 658374.

It is an arithmetic number, because the mean of its divisors is an integer number (30055354560).

Almost surely, 2^120220211009 is an apocalyptic number.

It is an amenable number.

120220211009 is a deficient number, since it is larger than the sum of its proper divisors (1207231).

120220211009 is a wasteful number, since it uses less digits than its factorization.

120220211009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207230.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 120220211009 in words is "one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, nine".