120012201121 has 2 divisors, whose sum is σ = 120012201122. Its totient is φ = 120012201120.

The previous prime is 120012201107. The next prime is 120012201143. The reversal of 120012201121 is 121102210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118704366225 + 1307834896 = 344535^2 + 36164^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012201121 - 2¹⁷ = 120012070049 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012201181) 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 as a sum of consecutive naturals, namely, 60006100560 + 60006100561.

It is an arithmetic number, because the mean of its divisors is an integer number (60006100561).

Almost surely, 2^120012201121 is an apocalyptic number.

It is an amenable number.

120012201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012201121 is an equidigital number, since it uses as much as digits as its factorization.

120012201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120012201121 its reverse (121102210021), we get a palindrome (241114411142).

It can be divided in two parts, 12001 and 2201121, that added together give a palindrome (2213122).

The spelling of 120012201121 in words is "one hundred twenty billion, twelve million, two hundred one thousand, one hundred twenty-one".