20212112021033 has 2 divisors, whose sum is σ = 20212112021034. Its totient is φ = 20212112021032.

The previous prime is 20212112020939. The next prime is 20212112021039. The reversal of 20212112021033 is 33012021121202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13978236607504 + 6233875413529 = 3738748^2 + 2496773^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212112021033 - 2³² = 20207817053737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212112020996 and 20212112021014.

It is not a weakly prime, because it can be changed into another prime (20212112021039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106056010516 + 10106056010517.

It is an arithmetic number, because the mean of its divisors is an integer number (10106056010517).

Almost surely, 2^{20212112021033} is an apocalyptic number.

It is an amenable number.

20212112021033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212112021033 is an equidigital number, since it uses as much as digits as its factorization.

20212112021033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20212112021033 its reverse (33012021121202), we get a palindrome (53224133142235).

The spelling of 20212112021033 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, thirty-three".