211111322141 has 2 divisors, whose sum is σ = 211111322142. Its totient is φ = 211111322140.

The previous prime is 211111322111. The next prime is 211111322183. The reversal of 211111322141 is 141223111112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188777215225 + 22334106916 = 434485^2 + 149446^2 .

It is a cyclic number.

It is not a de Polignac number, because 211111322141 - 2⁶ = 211111322077 is a prime.

It is a super-2 number, since 2×211111322141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211111322111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555661070 + 105555661071.

It is an arithmetic number, because the mean of its divisors is an integer number (105555661071).

Almost surely, 2^211111322141 is an apocalyptic number.

It is an amenable number.

211111322141 is a deficient number, since it is larger than the sum of its proper divisors (1).

211111322141 is an equidigital number, since it uses as much as digits as its factorization.

211111322141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 20.

Adding to 211111322141 its reverse (141223111112), we get a palindrome (352334433253).

The spelling of 211111322141 in words is "two hundred eleven billion, one hundred eleven million, three hundred twenty-two thousand, one hundred forty-one".