120211221222021 has 8 divisors (see below), whose sum is σ = 161752101950560. Its totient is φ = 79405577320752.

The previous prime is 120211221222019. The next prime is 120211221222041. The reversal of 120211221222021 is 120222122112021.

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

It is not a de Polignac number, because 120211221222021 - 2¹ = 120211221222019 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 (120211221222041) 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, 183809206435 + ... + 183809207088.

It is an arithmetic number, because the mean of its divisors is an integer number (20219012743820).

Almost surely, 2^{120211221222021} is an apocalyptic number.

It is an amenable number.

120211221222021 is a deficient number, since it is larger than the sum of its proper divisors (41540880728539).

120211221222021 is a wasteful number, since it uses less digits than its factorization.

120211221222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367618413635.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120211221222021 its reverse (120222122112021), we get a palindrome (240433343334042).

The spelling of 120211221222021 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".