200211001112221 has 4 divisors (see below), whose sum is σ = 218412001213344. Its totient is φ = 182010001011100.

The previous prime is 200211001112189. The next prime is 200211001112273. The reversal of 200211001112221 is 122211100112002.

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 200211001112221 - 2⁵ = 200211001112189 is a prime.

It is a super-3 number, since 3×200211001112221³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211001112195 and 200211001112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001112281) 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, 9100500050545 + ... + 9100500050566.

It is an arithmetic number, because the mean of its divisors is an integer number (54603000303336).

Almost surely, 2^{200211001112221} is an apocalyptic number.

It is an amenable number.

200211001112221 is a deficient number, since it is larger than the sum of its proper divisors (18201000101123).

200211001112221 is a wasteful number, since it uses less digits than its factorization.

200211001112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18201000101122.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200211001112221 its reverse (122211100112002), we get a palindrome (322422101224223).

The spelling of 200211001112221 in words is "two hundred trillion, two hundred eleven billion, one million, one hundred twelve thousand, two hundred twenty-one".