120211100121 has 32 divisors (see below), whose sum is σ = 189541820160. Its totient is φ = 66307094784.

The previous prime is 120211100089. The next prime is 120211100123. The reversal of 120211100121 is 121001112021.

It is not a de Polignac number, because 120211100121 - 2⁵ = 120211100089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120211100097 and 120211100106.

It is not an unprimeable number, because it can be changed into a prime (120211100123) 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 31 ways as a sum of consecutive naturals, for example, 2714271 + ... + 2758203.

It is an arithmetic number, because the mean of its divisors is an integer number (5923181880).

Almost surely, 2^120211100121 is an apocalyptic number.

It is an amenable number.

120211100121 is a deficient number, since it is larger than the sum of its proper divisors (69330720039).

120211100121 is a wasteful number, since it uses less digits than its factorization.

120211100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48465.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120211100121 its reverse (121001112021), we get a palindrome (241212212142).

The spelling of 120211100121 in words is "one hundred twenty billion, two hundred eleven million, one hundred thousand, one hundred twenty-one".