120200213122221 has 16 divisors (see below), whose sum is σ = 165844301515200. Its totient is φ = 77346496875648.

The previous prime is 120200213122217. The next prime is 120200213122237. The reversal of 120200213122221 is 122221312002021.

It is not a de Polignac number, because 120200213122221 - 2² = 120200213122217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200213122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211815451 + ... + 212382168.

It is an arithmetic number, because the mean of its divisors is an integer number (10365268844700).

Almost surely, 2^{120200213122221} is an apocalyptic number.

It is an amenable number.

120200213122221 is a deficient number, since it is larger than the sum of its proper divisors (45644088392979).

120200213122221 is a wasteful number, since it uses less digits than its factorization.

120200213122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424200908.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 120200213122221 its reverse (122221312002021), we get a palindrome (242421525124242).

The spelling of 120200213122221 in words is "one hundred twenty trillion, two hundred billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-one".