120122102221 has 8 divisors (see below), whose sum is σ = 138750663744. Its totient is φ = 102778269120.

The previous prime is 120122102207. The next prime is 120122102237. The reversal of 120122102221 is 122201221021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120122102221 - 2¹⁵ = 120122069453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120122102195 and 120122102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122102201) 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, 321181905 + ... + 321182278.

It is an arithmetic number, because the mean of its divisors is an integer number (17343832968).

Almost surely, 2^120122102221 is an apocalyptic number.

120122102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120122102221 is a deficient number, since it is larger than the sum of its proper divisors (18628561523).

120122102221 is a wasteful number, since it uses less digits than its factorization.

120122102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642364211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120122102221 its reverse (122201221021), we get a palindrome (242323323242).

The spelling of 120122102221 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-one".