120111120122221 has 8 divisors (see below), whose sum is σ = 120392661312000. Its totient is φ = 119829592179120.

The previous prime is 120111120122219. The next prime is 120111120122239. The reversal of 120111120122221 is 122221021111021.

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 120111120122221 - 2¹ = 120111120122219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111120122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962140 + ... + 21542698.

It is an arithmetic number, because the mean of its divisors is an integer number (15049082664000).

Almost surely, 2^{120111120122221} is an apocalyptic number.

It is an amenable number.

120111120122221 is a deficient number, since it is larger than the sum of its proper divisors (281541189779).

120111120122221 is an equidigital number, since it uses as much as digits as its factorization.

120111120122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623339.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120111120122221 its reverse (122221021111021), we get a palindrome (242332141233242).

The spelling of 120111120122221 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".