211434143101 has 2 divisors, whose sum is σ = 211434143102. Its totient is φ = 211434143100.

The previous prime is 211434143047. The next prime is 211434143111. The reversal of 211434143101 is 101341434112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210932607076 + 501536025 = 459274^2 + 22395^2 .

It is a cyclic number.

It is not a de Polignac number, because 211434143101 - 2⁷ = 211434142973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211434143111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105717071550 + 105717071551.

It is an arithmetic number, because the mean of its divisors is an integer number (105717071551).

Almost surely, 2^211434143101 is an apocalyptic number.

It is an amenable number.

211434143101 is a deficient number, since it is larger than the sum of its proper divisors (1).

211434143101 is an equidigital number, since it uses as much as digits as its factorization.

211434143101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 211434143101 its reverse (101341434112), we get a palindrome (312775577213).

The spelling of 211434143101 in words is "two hundred eleven billion, four hundred thirty-four million, one hundred forty-three thousand, one hundred one".