120011023211121 has 64 divisors (see below), whose sum is σ = 214028457984000. Its totient is φ = 66365542630800.

The previous prime is 120011023211117. The next prime is 120011023211173. The reversal of 120011023211121 is 121112320110021.

It is a happy number.

120011023211121 is a `hidden beast` number, since 1 + 200 + 110 + 2 + 321 + 11 + 21 = 666.

It is not a de Polignac number, because 120011023211121 - 2² = 120011023211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011023211094 and 120011023211103.

It is not an unprimeable number, because it can be changed into a prime (120011023211221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208725075 + ... + 209299256.

It is an arithmetic number, because the mean of its divisors is an integer number (3344194656000).

Almost surely, 2^{120011023211121} is an apocalyptic number.

It is an amenable number.

120011023211121 is a deficient number, since it is larger than the sum of its proper divisors (94017434772879).

120011023211121 is an equidigital number, since it uses as much as digits as its factorization.

120011023211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418024392 (or 418024372 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 120011023211121 its reverse (121112320110021), we get a palindrome (241123343321142).

The spelling of 120011023211121 in words is "one hundred twenty trillion, eleven billion, twenty-three million, two hundred eleven thousand, one hundred twenty-one".