200421312107 has 2 divisors, whose sum is σ = 200421312108. Its totient is φ = 200421312106.

The previous prime is 200421312101. The next prime is 200421312131. The reversal of 200421312107 is 701213124002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200421312107 is a prime.

It is not a weakly prime, because it can be changed into another prime (200421312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210656053 + 100210656054.

It is an arithmetic number, because the mean of its divisors is an integer number (100210656054).

Almost surely, 2^200421312107 is an apocalyptic number.

200421312107 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421312107 is an equidigital number, since it uses as much as digits as its factorization.

200421312107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 200421312107 its reverse (701213124002), we get a palindrome (901634436109).

The spelling of 200421312107 in words is "two hundred billion, four hundred twenty-one million, three hundred twelve thousand, one hundred seven".