211341142097 has 2 divisors, whose sum is σ = 211341142098. Its totient is φ = 211341142096.

The previous prime is 211341142093. The next prime is 211341142121. The reversal of 211341142097 is 790241143112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176312650816 + 35028491281 = 419896^2 + 187159^2 .

It is a cyclic number.

It is not a de Polignac number, because 211341142097 - 2² = 211341142093 is a prime.

It is not a weakly prime, because it can be changed into another prime (211341142093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105670571048 + 105670571049.

It is an arithmetic number, because the mean of its divisors is an integer number (105670571049).

Almost surely, 2^211341142097 is an apocalyptic number.

It is an amenable number.

211341142097 is a deficient number, since it is larger than the sum of its proper divisors (1).

211341142097 is an equidigital number, since it uses as much as digits as its factorization.

211341142097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 211341142097 in words is "two hundred eleven billion, three hundred forty-one million, one hundred forty-two thousand, ninety-seven".