211332201121 has 2 divisors, whose sum is σ = 211332201122. Its totient is φ = 211332201120.

The previous prime is 211332201103. The next prime is 211332201127. The reversal of 211332201121 is 121102233112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205222590225 + 6109610896 = 453015^2 + 78164^2 .

It is a cyclic number.

It is not a de Polignac number, because 211332201121 - 2²⁷ = 211197983393 is a prime.

It is a super-2 number, since 2×211332201121² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211332201127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666100560 + 105666100561.

It is an arithmetic number, because the mean of its divisors is an integer number (105666100561).

Almost surely, 2^211332201121 is an apocalyptic number.

It is an amenable number.

211332201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332201121 is an equidigital number, since it uses as much as digits as its factorization.

211332201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211332201121 its reverse (121102233112), we get a palindrome (332434434233).

The spelling of 211332201121 in words is "two hundred eleven billion, three hundred thirty-two million, two hundred one thousand, one hundred twenty-one".