120021222011 has 4 divisors (see below), whose sum is σ = 127081293912. Its totient is φ = 112961150112.

The previous prime is 120021222001. The next prime is 120021222043. The reversal of 120021222011 is 110222120021.

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

It is not a de Polignac number, because 120021222011 - 2³⁴ = 102841352827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021222001) 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, 3530035925 + ... + 3530035958.

It is an arithmetic number, because the mean of its divisors is an integer number (31770323478).

Almost surely, 2^120021222011 is an apocalyptic number.

120021222011 is a deficient number, since it is larger than the sum of its proper divisors (7060071901).

120021222011 is an equidigital number, since it uses as much as digits as its factorization.

120021222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060071900.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120021222011 its reverse (110222120021), we get a palindrome (230243342032).

The spelling of 120021222011 in words is "one hundred twenty billion, twenty-one million, two hundred twenty-two thousand, eleven".