120122021113 has 4 divisors (see below), whose sum is σ = 123051826548. Its totient is φ = 117192215680.

The previous prime is 120122021099. The next prime is 120122021197. The reversal of 120122021113 is 311120221021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311120221021 = 30893 ⋅10070897.

It can be written as a sum of positive squares in 2 ways, for example, as 31524712704 + 88597308409 = 177552^2 + 297653^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122021113 - 2²⁵ = 120088466681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122028113) 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, 1464902656 + ... + 1464902737.

It is an arithmetic number, because the mean of its divisors is an integer number (30762956637).

Almost surely, 2^120122021113 is an apocalyptic number.

It is an amenable number.

120122021113 is a deficient number, since it is larger than the sum of its proper divisors (2929805435).

120122021113 is an equidigital number, since it uses as much as digits as its factorization.

120122021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929805434.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120122021113 its reverse (311120221021), we get a palindrome (431242242134).

The spelling of 120122021113 in words is "one hundred twenty billion, one hundred twenty-two million, twenty-one thousand, one hundred thirteen".