120011120112021 has 16 divisors (see below), whose sum is σ = 161532864345600. Its totient is φ = 79248849294528.

The previous prime is 120011120111941. The next prime is 120011120112061. The reversal of 120011120112021 is 120211021110021.

It is a happy number.

It is not a de Polignac number, because 120011120112021 - 2⁴¹ = 117812096856469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011120112061) 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, 55773861 + ... + 57885626.

It is an arithmetic number, because the mean of its divisors is an integer number (10095804021600).

Almost surely, 2^{120011120112021} is an apocalyptic number.

It is an amenable number.

120011120112021 is a deficient number, since it is larger than the sum of its proper divisors (41521744233579).

120011120112021 is a wasteful number, since it uses less digits than its factorization.

120011120112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113662828.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120011120112021 its reverse (120211021110021), we get a palindrome (240222141222042).

The spelling of 120011120112021 in words is "one hundred twenty trillion, eleven billion, one hundred twenty million, one hundred twelve thousand, twenty-one".