2021122012229 has 2 divisors, whose sum is σ = 2021122012230. Its totient is φ = 2021122012228.

The previous prime is 2021122012109. The next prime is 2021122012237. The reversal of 2021122012229 is 9222102211202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1859955895204 + 161166117025 = 1363802^2 + 401455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021122012229 - 2¹² = 2021122008133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021122012198 and 2021122012207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021122012289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010561006114 + 1010561006115.

It is an arithmetic number, because the mean of its divisors is an integer number (1010561006115).

Almost surely, 2^{2021122012229} is an apocalyptic number.

It is an amenable number.

2021122012229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021122012229 is an equidigital number, since it uses as much as digits as its factorization.

2021122012229 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 26.

The spelling of 2021122012229 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, two hundred twenty-nine".