200221111111 has 8 divisors (see below), whose sum is σ = 228832131744. Its totient is φ = 171612091680.

The previous prime is 200221111091. The next prime is 200221111133. The reversal of 200221111111 is 111111122002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200221111111 - 2¹¹ = 200221109063 is a prime.

It is a Duffinian number.

200221111111 is a modest number, since divided by 1111111 gives 20022 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 200221111091 and 200221111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221111141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279400 + ... + 691741.

It is an arithmetic number, because the mean of its divisors is an integer number (28604016468).

Almost surely, 2^200221111111 is an apocalyptic number.

200221111111 is a deficient number, since it is larger than the sum of its proper divisors (28611020633).

200221111111 is an equidigital number, since it uses as much as digits as its factorization.

200221111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000601.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200221111111 its reverse (111111122002), we get a palindrome (311332233113).

The spelling of 200221111111 in words is "two hundred billion, two hundred twenty-one million, one hundred eleven thousand, one hundred eleven".