1000020221211 has 8 divisors (see below), whose sum is σ = 1454574867264. Its totient is φ = 606072861320.

The previous prime is 1000020221197. The next prime is 1000020221269. The reversal of 1000020221211 is 1121220200001.

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 1000020221211 - 2²¹ = 1000018124059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000020221611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151821501 + ... + 15151821566.

It is an arithmetic number, because the mean of its divisors is an integer number (181821858408).

Almost surely, 2^{1000020221211} is an apocalyptic number.

1000020221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000020221211 is a deficient number, since it is larger than the sum of its proper divisors (454554646053).

1000020221211 is a wasteful number, since it uses less digits than its factorization.

1000020221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303643081.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000020221211 its reverse (1121220200001), we get a palindrome (2121240421212).

The spelling of 1000020221211 in words is "one trillion, twenty million, two hundred twenty-one thousand, two hundred eleven".