10200121663 has 2 divisors, whose sum is σ = 10200121664. Its totient is φ = 10200121662.

The previous prime is 10200121661. The next prime is 10200121667. The reversal of 10200121663 is 36612100201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10200121663 - 2¹ = 10200121661 is a prime.

Together with 10200121661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10200121661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100060831 + 5100060832.

It is an arithmetic number, because the mean of its divisors is an integer number (5100060832).

Almost surely, 2^10200121663 is an apocalyptic number.

10200121663 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200121663 is an equidigital number, since it uses as much as digits as its factorization.

10200121663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10200121663 its reverse (36612100201), we get a palindrome (46812221864).

The spelling of 10200121663 in words is "ten billion, two hundred million, one hundred twenty-one thousand, six hundred sixty-three".