200102200120001 has 2 divisors, whose sum is σ = 200102200120002. Its totient is φ = 200102200120000.

The previous prime is 200102200119979. The next prime is 200102200120019. The reversal of 200102200120001 is 100021002201002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200044815438400 + 57384681601 = 14143720^2 + 239551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200102200120001 is a prime.

It is not a weakly prime, because it can be changed into another prime (200102200122001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051100060000 + 100051100060001.

It is an arithmetic number, because the mean of its divisors is an integer number (100051100060001).

Almost surely, 2^{200102200120001} is an apocalyptic number.

It is an amenable number.

200102200120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102200120001 is an equidigital number, since it uses as much as digits as its factorization.

200102200120001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200102200120001 its reverse (100021002201002), we get a palindrome (300123202321003).

The spelling of 200102200120001 in words is "two hundred trillion, one hundred two billion, two hundred million, one hundred twenty thousand, one".