2021012222193 has 12 divisors (see below), whose sum is σ = 2934523857408. Its totient is φ = 1340287336440.

The previous prime is 2021012222179. The next prime is 2021012222221. The reversal of 2021012222193 is 3912222101202.

2021012222193 is a `hidden beast` number, since 20 + 210 + 122 + 221 + 93 = 666.

It is not a de Polignac number, because 2021012222193 - 2⁵ = 2021012222161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021012222143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587843605 + ... + 587847042.

It is an arithmetic number, because the mean of its divisors is an integer number (244543654784).

Almost surely, 2^{2021012222193} is an apocalyptic number.

It is an amenable number.

2021012222193 is a deficient number, since it is larger than the sum of its proper divisors (913511635215).

2021012222193 is a wasteful number, since it uses less digits than its factorization.

2021012222193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175690844 (or 1175690841 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 2021012222193 its reverse (3912222101202), we get a palindrome (5933234323395).

The spelling of 2021012222193 in words is "two trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, one hundred ninety-three".