200010001021097 has 4 divisors (see below), whose sum is σ = 200010825262416. Its totient is φ = 200009176779780.

The previous prime is 200010001021073. The next prime is 200010001021109. The reversal of 200010001021097 is 790120100010002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200010001021097 - 2¹⁴ = 200010001004713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200010001027097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411756563 + ... + 412242024.

It is an arithmetic number, because the mean of its divisors is an integer number (50002706315604).

Almost surely, 2^{200010001021097} is an apocalyptic number.

It is an amenable number.

200010001021097 is a deficient number, since it is larger than the sum of its proper divisors (824241319).

200010001021097 is an equidigital number, since it uses as much as digits as its factorization.

200010001021097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824241318.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 200010001021097 its reverse (790120100010002), we get a palindrome (990130101031099).

The spelling of 200010001021097 in words is "two hundred trillion, ten billion, one million, twenty-one thousand, ninety-seven".