120202012120221 has 8 divisors (see below), whose sum is σ = 178077054992960. Its totient is φ = 80134674746796.

The previous prime is 120202012120189. The next prime is 120202012120243. The reversal of 120202012120221 is 122021210202021.

It is a happy number.

120202012120221 is a `hidden beast` number, since 1 + 202 + 0 + 201 + 21 + 20 + 221 = 666.

It is not a de Polignac number, because 120202012120221 - 2⁵ = 120202012120189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202012120194 and 120202012120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202012120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225963187385 + ... + 2225963187438.

It is an arithmetic number, because the mean of its divisors is an integer number (22259631874120).

Almost surely, 2^{120202012120221} is an apocalyptic number.

It is an amenable number.

120202012120221 is a deficient number, since it is larger than the sum of its proper divisors (57875042872739).

120202012120221 is an equidigital number, since it uses as much as digits as its factorization.

120202012120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451926374832 (or 4451926374826 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120202012120221 its reverse (122021210202021), we get a palindrome (242223222322242).

The spelling of 120202012120221 in words is "one hundred twenty trillion, two hundred two billion, twelve million, one hundred twenty thousand, two hundred twenty-one".