120020122012221 has 24 divisors (see below), whose sum is σ = 182858398763040. Its totient is φ = 75647799007200.

The previous prime is 120020122012211. The next prime is 120020122012243. The reversal of 120020122012221 is 122210221020021.

It is a happy number.

120020122012221 is a `hidden beast` number, since 1 + 20 + 0 + 201 + 220 + 1 + 2 + 221 = 666.

120020122012221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120020122012221 - 2²² = 120020117817917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120020122012194 and 120020122012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020122012211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714653370 + ... + 714821291.

It is an arithmetic number, because the mean of its divisors is an integer number (7619099948460).

Almost surely, 2^{120020122012221} is an apocalyptic number.

It is an amenable number.

120020122012221 is a deficient number, since it is larger than the sum of its proper divisors (62838276750819).

120020122012221 is a wasteful number, since it uses less digits than its factorization.

120020122012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429475177 (or 1429475174 counting only the distinct ones).

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

Adding to 120020122012221 its reverse (122210221020021), we get a palindrome (242230343032242).

The spelling of 120020122012221 in words is "one hundred twenty trillion, twenty billion, one hundred twenty-two million, twelve thousand, two hundred twenty-one".