120220100311 has 4 divisors (see below), whose sum is σ = 120985833592. Its totient is φ = 119454367032.

The previous prime is 120220100303. The next prime is 120220100317. The reversal of 120220100311 is 113001022021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113001022021 = 299969 ⋅376709.

It is a cyclic number.

It is not a de Polignac number, because 120220100311 - 2³ = 120220100303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120220100291 and 120220100300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220100317) 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, 382866405 + ... + 382866718.

It is an arithmetic number, because the mean of its divisors is an integer number (30246458398).

Almost surely, 2^120220100311 is an apocalyptic number.

120220100311 is a deficient number, since it is larger than the sum of its proper divisors (765733281).

120220100311 is an equidigital number, since it uses as much as digits as its factorization.

120220100311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765733280.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120220100311 its reverse (113001022021), we get a palindrome (233221122332).

The spelling of 120220100311 in words is "one hundred twenty billion, two hundred twenty million, one hundred thousand, three hundred eleven".