21112212000053 has 2 divisors, whose sum is σ = 21112212000054. Its totient is φ = 21112212000052.

The previous prime is 21112211999999. The next prime is 21112212000059. The reversal of 21112212000053 is 35000021221112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10863134789329 + 10249077210724 = 3295927^2 + 3201418^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112212000053 - 2¹² = 21112211995957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21112211999989 and 21112212000034.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112212000059) 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 as a sum of consecutive naturals, namely, 10556106000026 + 10556106000027.

It is an arithmetic number, because the mean of its divisors is an integer number (10556106000027).

Almost surely, 2^{21112212000053} is an apocalyptic number.

It is an amenable number.

21112212000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112212000053 is an equidigital number, since it uses as much as digits as its factorization.

21112212000053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 21112212000053 its reverse (35000021221112), we get a palindrome (56112233221165).

The spelling of 21112212000053 in words is "twenty-one trillion, one hundred twelve billion, two hundred twelve million, fifty-three", and thus it is an aban number.