201120121211 has 2 divisors, whose sum is σ = 201120121212. Its totient is φ = 201120121210.

The previous prime is 201120121199. The next prime is 201120121217. The reversal of 201120121211 is 112121021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201120121211 - 2¹⁸ = 201119859067 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120121217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560060605 + 100560060606.

It is an arithmetic number, because the mean of its divisors is an integer number (100560060606).

Almost surely, 2^201120121211 is an apocalyptic number.

201120121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120121211 is an equidigital number, since it uses as much as digits as its factorization.

201120121211 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 14.

Adding to 201120121211 its reverse (112121021102), we get a palindrome (313241142313).

The spelling of 201120121211 in words is "two hundred one billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".