210200022001001 has 2 divisors, whose sum is σ = 210200022001002. Its totient is φ = 210200022001000.

The previous prime is 210200022000973. The next prime is 210200022001009. The reversal of 210200022001001 is 100100220002012.

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., 155162897473600 + 55037124527401 = 12456440^2 + 7418701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210200022001001 is a prime.

It is not a weakly prime, because it can be changed into another prime (210200022001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100011000500 + 105100011000501.

It is an arithmetic number, because the mean of its divisors is an integer number (105100011000501).

Almost surely, 2^{210200022001001} is an apocalyptic number.

It is an amenable number.

210200022001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200022001001 is an equidigital number, since it uses as much as digits as its factorization.

210200022001001 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 210200022001001 its reverse (100100220002012), we get a palindrome (310300242003013).

The spelling of 210200022001001 in words is "two hundred ten trillion, two hundred billion, twenty-two million, one thousand, one".