120112021022021 has 16 divisors (see below), whose sum is σ = 145528676121600. Its totient is φ = 96939331943040.

The previous prime is 120112021021997. The next prime is 120112021022027. The reversal of 120112021022021 is 120220120211021.

It is a cyclic number.

It is not a de Polignac number, because 120112021022021 - 2¹⁴ = 120112021005637 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 (120112021022027) 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 15 ways as a sum of consecutive naturals, for example, 7479878696 + ... + 7479894753.

It is an arithmetic number, because the mean of its divisors is an integer number (9095542257600).

Almost surely, 2^{120112021022021} is an apocalyptic number.

It is an amenable number.

120112021022021 is a deficient number, since it is larger than the sum of its proper divisors (25416655099579).

120112021022021 is a wasteful number, since it uses less digits than its factorization.

120112021022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959773524.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120112021022021 its reverse (120220120211021), we get a palindrome (240332141233042).

The spelling of 120112021022021 in words is "one hundred twenty trillion, one hundred twelve billion, twenty-one million, twenty-two thousand, twenty-one".