211112221121141 has 2 divisors, whose sum is σ = 211112221121142. Its totient is φ = 211112221121140.

The previous prime is 211112221121107. The next prime is 211112221121159. The reversal of 211112221121141 is 141121122211112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148529550052900 + 62582671068241 = 12187270^2 + 7910921^2 .

It is a cyclic number.

It is not a de Polignac number, because 211112221121141 - 2¹⁰ = 211112221120117 is a prime.

It is a super-3 number, since 3×211112221121141³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211112221921141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556110560570 + 105556110560571.

It is an arithmetic number, because the mean of its divisors is an integer number (105556110560571).

Almost surely, 2^{211112221121141} is an apocalyptic number.

It is an amenable number.

211112221121141 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112221121141 is an equidigital number, since it uses as much as digits as its factorization.

211112221121141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 23.

Adding to 211112221121141 its reverse (141121122211112), we get a palindrome (352233343332253).

The spelling of 211112221121141 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred forty-one".