212022001110121 has 2 divisors, whose sum is σ = 212022001110122. Its totient is φ = 212022001110120.

The previous prime is 212022001110113. The next prime is 212022001110149. The reversal of 212022001110121 is 121011100220212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210231556404496 + 1790444705625 = 14499364^2 + 1338075^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022001110121 - 2³ = 212022001110113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212022001110095 and 212022001110104.

It is not a weakly prime, because it can be changed into another prime (212022001110721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011000555060 + 106011000555061.

It is an arithmetic number, because the mean of its divisors is an integer number (106011000555061).

Almost surely, 2^{212022001110121} is an apocalyptic number.

It is an amenable number.

212022001110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022001110121 is an equidigital number, since it uses as much as digits as its factorization.

212022001110121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212022001110121 its reverse (121011100220212), we get a palindrome (333033101330333).

The spelling of 212022001110121 in words is "two hundred twelve trillion, twenty-two billion, one million, one hundred ten thousand, one hundred twenty-one".