120404212221011 has 12 divisors (see below), whose sum is σ = 128027254289352. Its totient is φ = 113211909758208.

The previous prime is 120404212220959. The next prime is 120404212221019. The reversal of 120404212221011 is 110122212404021.

It is a de Polignac number, because none of the positive numbers 2^k-120404212221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120404212221019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201358565 + ... + 201955638.

It is an arithmetic number, because the mean of its divisors is an integer number (10668937857446).

Almost surely, 2^{120404212221011} is an apocalyptic number.

120404212221011 is a deficient number, since it is larger than the sum of its proper divisors (7623042068341).

120404212221011 is a wasteful number, since it uses less digits than its factorization.

120404212221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403315270 (or 403315253 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 120404212221011 its reverse (110122212404021), we get a palindrome (230526424625032).

The spelling of 120404212221011 in words is "one hundred twenty trillion, four hundred four billion, two hundred twelve million, two hundred twenty-one thousand, eleven".