210020111100201 has 4 divisors (see below), whose sum is σ = 280026814800272. Its totient is φ = 140013407400132.

The previous prime is 210020111100197. The next prime is 210020111100221. The reversal of 210020111100201 is 102001111020012.

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 not a de Polignac number, because 210020111100201 - 2² = 210020111100197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020111100221) 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 in 3 ways as a sum of consecutive naturals, for example, 35003351850031 + ... + 35003351850036.

It is an arithmetic number, because the mean of its divisors is an integer number (70006703700068).

Almost surely, 2^{210020111100201} is an apocalyptic number.

It is an amenable number.

210020111100201 is a deficient number, since it is larger than the sum of its proper divisors (70006703700071).

210020111100201 is an equidigital number, since it uses as much as digits as its factorization.

210020111100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70006703700070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210020111100201 its reverse (102001111020012), we get a palindrome (312021222120213).

The spelling of 210020111100201 in words is "two hundred ten trillion, twenty billion, one hundred eleven million, one hundred thousand, two hundred one".