201202112121211 has 2 divisors, whose sum is σ = 201202112121212. Its totient is φ = 201202112121210.

The previous prime is 201202112121209. The next prime is 201202112121233. The reversal of 201202112121211 is 112121211202102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201202112121211 - 2¹ = 201202112121209 is a prime.

It is a super-2 number, since 2×201202112121211² (a number of 29 digits) contains 22 as substring.

Together with 201202112121209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201202112121611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601056060605 + 100601056060606.

It is an arithmetic number, because the mean of its divisors is an integer number (100601056060606).

Almost surely, 2^{201202112121211} is an apocalyptic number.

201202112121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202112121211 is an equidigital number, since it uses as much as digits as its factorization.

201202112121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201202112121211 its reverse (112121211202102), we get a palindrome (313323323323313).

The spelling of 201202112121211 in words is "two hundred one trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred eleven".