120211022121 has 4 divisors (see below), whose sum is σ = 160281362832. Its totient is φ = 80140681412.

The previous prime is 120211022101. The next prime is 120211022159. The reversal of 120211022121 is 121220112021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120211022121 - 2¹¹ = 120211020073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120211022121.

It is not an unprimeable number, because it can be changed into a prime (120211022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20035170351 + ... + 20035170356.

It is an arithmetic number, because the mean of its divisors is an integer number (40070340708).

Almost surely, 2^120211022121 is an apocalyptic number.

It is an amenable number.

120211022121 is a deficient number, since it is larger than the sum of its proper divisors (40070340711).

120211022121 is an equidigital number, since it uses as much as digits as its factorization.

120211022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40070340710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120211022121 its reverse (121220112021), we get a palindrome (241431134142).

The spelling of 120211022121 in words is "one hundred twenty billion, two hundred eleven million, twenty-two thousand, one hundred twenty-one".