120021122011 has 8 divisors (see below), whose sum is σ = 138903288320. Its totient is φ = 101573028648.

The previous prime is 120021121939. The next prime is 120021122027. The reversal of 120021122011 is 110221120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120021122011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120021121982 and 120021122000.

It is not an unprimeable number, because it can be changed into a prime (120021128011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108517641 + ... + 108518746.

It is an arithmetic number, because the mean of its divisors is an integer number (17362911040).

Almost surely, 2^120021122011 is an apocalyptic number.

120021122011 is a deficient number, since it is larger than the sum of its proper divisors (18882166309).

120021122011 is an equidigital number, since it uses as much as digits as its factorization.

120021122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217036473.

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

Adding to 120021122011 its reverse (110221120021), we get a palindrome (230242242032).

The spelling of 120021122011 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, eleven".