120020033221 has 12 divisors (see below), whose sum is σ = 132514458496. Its totient is φ = 108619818120.

The previous prime is 120020033219. The next prime is 120020033249. The reversal of 120020033221 is 122330020021.

It is not a de Polignac number, because 120020033221 - 2¹ = 120020033219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020033195 and 120020033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020033281) 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, 2197011 + ... + 2250976.

Almost surely, 2^120020033221 is an apocalyptic number.

120020033221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020033221 is a deficient number, since it is larger than the sum of its proper divisors (12494425275).

120020033221 is a wasteful number, since it uses less digits than its factorization.

120020033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448232 (or 4448221 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120020033221 its reverse (122330020021), we get a palindrome (242350053242).

The spelling of 120020033221 in words is "one hundred twenty billion, twenty million, thirty-three thousand, two hundred twenty-one".