200102021027 has 2 divisors, whose sum is σ = 200102021028. Its totient is φ = 200102021026.

The previous prime is 200102021011. The next prime is 200102021051. The reversal of 200102021027 is 720120201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200102021027 - 2⁴ = 200102021011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200102020996 and 200102021014.

It is not a weakly prime, because it can be changed into another prime (200102021627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051010513 + 100051010514.

It is an arithmetic number, because the mean of its divisors is an integer number (100051010514).

Almost surely, 2^200102021027 is an apocalyptic number.

200102021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102021027 is an equidigital number, since it uses as much as digits as its factorization.

200102021027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 200102021027 its reverse (720120201002), we get a palindrome (920222222029).

The spelling of 200102021027 in words is "two hundred billion, one hundred two million, twenty-one thousand, twenty-seven".