210204221027 has 2 divisors, whose sum is σ = 210204221028. Its totient is φ = 210204221026.

The previous prime is 210204221023. The next prime is 210204221041. The reversal of 210204221027 is 720122402012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210204221027 - 2² = 210204221023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210204220993 and 210204221011.

It is not a weakly prime, because it can be changed into another prime (210204221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105102110513 + 105102110514.

It is an arithmetic number, because the mean of its divisors is an integer number (105102110514).

Almost surely, 2^210204221027 is an apocalyptic number.

210204221027 is a deficient number, since it is larger than the sum of its proper divisors (1).

210204221027 is an equidigital number, since it uses as much as digits as its factorization.

210204221027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 210204221027 its reverse (720122402012), we get a palindrome (930326623039).

The spelling of 210204221027 in words is "two hundred ten billion, two hundred four million, two hundred twenty-one thousand, twenty-seven".