212021113163 has 2 divisors, whose sum is σ = 212021113164. Its totient is φ = 212021113162.

The previous prime is 212021113079. The next prime is 212021113177. The reversal of 212021113163 is 361311120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021113163 - 2¹⁰ = 212021112139 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021113193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010556581 + 106010556582.

It is an arithmetic number, because the mean of its divisors is an integer number (106010556582).

Almost surely, 2^212021113163 is an apocalyptic number.

212021113163 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021113163 is an equidigital number, since it uses as much as digits as its factorization.

212021113163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 212021113163 its reverse (361311120212), we get a palindrome (573332233375).

The spelling of 212021113163 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, one hundred sixty-three".