200222111021 has 4 divisors (see below), whose sum is σ = 200223025344. Its totient is φ = 200221196700.

The previous prime is 200222111003. The next prime is 200222111041. The reversal of 200222111021 is 120111222002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200222111021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200222110987 and 200222111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222111041) 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, 88076 + ... + 638906.

It is an arithmetic number, because the mean of its divisors is an integer number (50055756336).

Almost surely, 2^200222111021 is an apocalyptic number.

It is an amenable number.

200222111021 is a deficient number, since it is larger than the sum of its proper divisors (914323).

200222111021 is an equidigital number, since it uses as much as digits as its factorization.

200222111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914322.

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

Adding to 200222111021 its reverse (120111222002), we get a palindrome (320333333023).

The spelling of 200222111021 in words is "two hundred billion, two hundred twenty-two million, one hundred eleven thousand, twenty-one".