200222212121211 has 16 divisors (see below), whose sum is σ = 305185713631488. Its totient is φ = 114380742669600.

The previous prime is 200222212121209. The next prime is 200222212121303. The reversal of 200222212121211 is 112121212222002.

It is not a de Polignac number, because 200222212121211 - 2¹ = 200222212121209 is a prime.

It is a super-2 number, since 2×200222212121211² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (200222212021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331171805 + ... + 1331322206.

It is an arithmetic number, because the mean of its divisors is an integer number (19074107101968).

Almost surely, 2^{200222212121211} is an apocalyptic number.

200222212121211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200222212121211 is a deficient number, since it is larger than the sum of its proper divisors (104963501510277).

200222212121211 is a wasteful number, since it uses less digits than its factorization.

200222212121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662497602.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 200222212121211 its reverse (112121212222002), we get a palindrome (312343424343213).

The spelling of 200222212121211 in words is "two hundred trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred eleven".