211002201121 has 2 divisors, whose sum is σ = 211002201122. Its totient is φ = 211002201120.

The previous prime is 211002201041. The next prime is 211002201131. The reversal of 211002201121 is 121102200112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210956490000 + 45711121 = 459300^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 211002201121 - 2¹⁹ = 211001676833 is a prime.

It is not a weakly prime, because it can be changed into another prime (211002201131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501100560 + 105501100561.

It is an arithmetic number, because the mean of its divisors is an integer number (105501100561).

Almost surely, 2^211002201121 is an apocalyptic number.

It is an amenable number.

211002201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

211002201121 is an equidigital number, since it uses as much as digits as its factorization.

211002201121 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 211002201121 its reverse (121102200112), we get a palindrome (332104401233).

The spelling of 211002201121 in words is "two hundred eleven billion, two million, two hundred one thousand, one hundred twenty-one".