120121102201 has 2 divisors, whose sum is σ = 120121102202. Its totient is φ = 120121102200.

The previous prime is 120121102193. The next prime is 120121102219. The reversal of 120121102201 is 102201121021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109113944976 + 11007157225 = 330324^2 + 104915^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121102201 - 2³ = 120121102193 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121102001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060551100 + 60060551101.

It is an arithmetic number, because the mean of its divisors is an integer number (60060551101).

Almost surely, 2^120121102201 is an apocalyptic number.

It is an amenable number.

120121102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121102201 is an equidigital number, since it uses as much as digits as its factorization.

120121102201 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 120121102201 its reverse (102201121021), we get a palindrome (222322223222).

The spelling of 120121102201 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred one".