120011020121121 has 8 divisors (see below), whose sum is σ = 168436519468320. Its totient is φ = 75796433760672.

The previous prime is 120011020121101. The next prime is 120011020121131. The reversal of 120011020121121 is 121121020110021.

It is a happy number.

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

It is not a de Polignac number, because 120011020121121 - 2¹¹ = 120011020119073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120011020121121.

It is not an unprimeable number, because it can be changed into a prime (120011020121101) 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, 1052728246620 + ... + 1052728246733.

It is an arithmetic number, because the mean of its divisors is an integer number (21054564933540).

Almost surely, 2^{120011020121121} is an apocalyptic number.

It is an amenable number.

120011020121121 is a deficient number, since it is larger than the sum of its proper divisors (48425499347199).

120011020121121 is a wasteful number, since it uses less digits than its factorization.

120011020121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105456493375.

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

Adding to 120011020121121 its reverse (121121020110021), we get a palindrome (241132040231142).

The spelling of 120011020121121 in words is "one hundred twenty trillion, eleven billion, twenty million, one hundred twenty-one thousand, one hundred twenty-one".