120020122221 has 8 divisors (see below), whose sum is σ = 160047716160. Its totient is φ = 80002971552.

The previous prime is 120020122217. The next prime is 120020122231. The reversal of 120020122221 is 122221020021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120020122221 - 2² = 120020122217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120020122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020122231) 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, 2583961 + ... + 2629998.

It is an arithmetic number, because the mean of its divisors is an integer number (20005964520).

Almost surely, 2^120020122221 is an apocalyptic number.

It is an amenable number.

120020122221 is a deficient number, since it is larger than the sum of its proper divisors (40027593939).

120020122221 is an equidigital number, since it uses as much as digits as its factorization.

120020122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221635.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120020122221 its reverse (122221020021), we get a palindrome (242241142242).

The spelling of 120020122221 in words is "one hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".