221200022211 has 8 divisors (see below), whose sum is σ = 337066700544. Its totient is φ = 126400012680.

The previous prime is 221200022201. The next prime is 221200022261. The reversal of 221200022211 is 112220002122.

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

It is not a de Polignac number, because 221200022211 - 2⁷ = 221200022083 is a prime.

It is a super-2 number, since 2×221200022211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221200022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5266667175 + ... + 5266667216.

It is an arithmetic number, because the mean of its divisors is an integer number (42133337568).

Almost surely, 2^221200022211 is an apocalyptic number.

221200022211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221200022211 is a deficient number, since it is larger than the sum of its proper divisors (115866678333).

221200022211 is a wasteful number, since it uses less digits than its factorization.

221200022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533334401.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221200022211 its reverse (112220002122), we get a palindrome (333420024333).

The spelling of 221200022211 in words is "two hundred twenty-one billion, two hundred million, twenty-two thousand, two hundred eleven".