120011221033 has 12 divisors (see below), whose sum is σ = 134402095044. Its totient is φ = 107042592800.

The previous prime is 120011221019. The next prime is 120011221037. The reversal of 120011221033 is 330122110021.

It can be written as a sum of positive squares in 2 ways, for example, as 104786869264 + 15224351769 = 323708^2 + 123387^2 .

It is not a de Polignac number, because 120011221033 - 2²¹ = 120009123881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011220998 and 120011221016.

It is not an unprimeable number, because it can be changed into a prime (120011221037) 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, 9350458 + ... + 9363283.

It is an arithmetic number, because the mean of its divisors is an integer number (11200174587).

Almost surely, 2^120011221033 is an apocalyptic number.

It is an amenable number.

120011221033 is a deficient number, since it is larger than the sum of its proper divisors (14390874011).

120011221033 is a wasteful number, since it uses less digits than its factorization.

120011221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18713816 (or 18713805 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120011221033 its reverse (330122110021), we get a palindrome (450133331054).

The spelling of 120011221033 in words is "one hundred twenty billion, eleven million, two hundred twenty-one thousand, thirty-three".