200100112002221 has 4 divisors (see below), whose sum is σ = 202918423438944. Its totient is φ = 197281800565500.

The previous prime is 200100112002127. The next prime is 200100112002299. The reversal of 200100112002221 is 122200211001002.

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 200100112002221 - 2¹⁰ = 200100112001197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100112002196 and 200100112002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200105112002221) 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, 1409155718255 + ... + 1409155718396.

It is an arithmetic number, because the mean of its divisors is an integer number (50729605859736).

Almost surely, 2^{200100112002221} is an apocalyptic number.

It is an amenable number.

200100112002221 is a deficient number, since it is larger than the sum of its proper divisors (2818311436723).

200100112002221 is an equidigital number, since it uses as much as digits as its factorization.

200100112002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818311436722.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200100112002221 its reverse (122200211001002), we get a palindrome (322300323003223).

The spelling of 200100112002221 in words is "two hundred trillion, one hundred billion, one hundred twelve million, two thousand, two hundred twenty-one".