200022121111 has 4 divisors (see below), whose sum is σ = 200027259432. Its totient is φ = 200016982792.

The previous prime is 200022121099. The next prime is 200022121129. The reversal of 200022121111 is 111121220002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200022121111 - 2¹⁹ = 200021596823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200022121091 and 200022121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022121811) 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, 2510320 + ... + 2588773.

It is an arithmetic number, because the mean of its divisors is an integer number (50006814858).

Almost surely, 2^200022121111 is an apocalyptic number.

200022121111 is a deficient number, since it is larger than the sum of its proper divisors (5138321).

200022121111 is an equidigital number, since it uses as much as digits as its factorization.

200022121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138320.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200022121111 its reverse (111121220002), we get a palindrome (311143341113).

The spelling of 200022121111 in words is "two hundred billion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".