120021202011 has 16 divisors (see below), whose sum is σ = 168564211200. Its totient is φ = 75751833888.

The previous prime is 120021202001. The next prime is 120021202073. The reversal of 120021202011 is 110202120021.

It is not a de Polignac number, because 120021202011 - 2⁹ = 120021201499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021202001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623256 + ... + 792773.

It is an arithmetic number, because the mean of its divisors is an integer number (10535263200).

Almost surely, 2^120021202011 is an apocalyptic number.

120021202011 is a deficient number, since it is larger than the sum of its proper divisors (48543009189).

120021202011 is a wasteful number, since it uses less digits than its factorization.

120021202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417538.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021202011 its reverse (110202120021), we get a palindrome (230223322032).

The spelling of 120021202011 in words is "one hundred twenty billion, twenty-one million, two hundred two thousand, eleven".