212121212222083 has 2 divisors, whose sum is σ = 212121212222084. Its totient is φ = 212121212222082.

The previous prime is 212121212222041. The next prime is 212121212222137. The reversal of 212121212222083 is 380222212121212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212121212222083 is a prime.

It is not a weakly prime, because it can be changed into another prime (212121212222683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060606111041 + 106060606111042.

It is an arithmetic number, because the mean of its divisors is an integer number (106060606111042).

Almost surely, 2^{212121212222083} is an apocalyptic number.

212121212222083 is a deficient number, since it is larger than the sum of its proper divisors (1).

212121212222083 is an equidigital number, since it uses as much as digits as its factorization.

212121212222083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 212121212222083 its reverse (380222212121212), we get a palindrome (592343424343295).

The spelling of 212121212222083 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, eighty-three".