120220121011 has 4 divisors (see below), whose sum is σ = 121913362224. Its totient is φ = 118526879800.

The previous prime is 120220121003. The next prime is 120220121017. The reversal of 120220121011 is 110121022021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120220121011 - 2³ = 120220121003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120220120982 and 120220121000.

It is not an unprimeable number, because it can be changed into a prime (120220121017) 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, 846620500 + ... + 846620641.

It is an arithmetic number, because the mean of its divisors is an integer number (30478340556).

Almost surely, 2^120220121011 is an apocalyptic number.

120220121011 is a deficient number, since it is larger than the sum of its proper divisors (1693241213).

120220121011 is an equidigital number, since it uses as much as digits as its factorization.

120220121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693241212.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120220121011 its reverse (110121022021), we get a palindrome (230341143032).

The spelling of 120220121011 in words is "one hundred twenty billion, two hundred twenty million, one hundred twenty-one thousand, eleven".