212030021141 has 2 divisors, whose sum is σ = 212030021142. Its totient is φ = 212030021140.

The previous prime is 212030021017. The next prime is 212030021149. The reversal of 212030021141 is 141120030212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191738018641 + 20292002500 = 437879^2 + 142450^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030021141 - 2²⁶ = 211962912277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212030021149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015010570 + 106015010571.

It is an arithmetic number, because the mean of its divisors is an integer number (106015010571).

Almost surely, 2^212030021141 is an apocalyptic number.

It is an amenable number.

212030021141 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030021141 is an equidigital number, since it uses as much as digits as its factorization.

212030021141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212030021141 its reverse (141120030212), we get a palindrome (353150051353).

The spelling of 212030021141 in words is "two hundred twelve billion, thirty million, twenty-one thousand, one hundred forty-one".