1000211200221 has 8 divisors (see below), whose sum is σ = 1333621416064. Its totient is φ = 666804225600.

The previous prime is 1000211200151. The next prime is 1000211200253. The reversal of 1000211200221 is 1220021120001.

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

It is not a de Polignac number, because 1000211200221 - 2²⁹ = 999674329309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000211200197 and 1000211200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000211200721) 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, 36021 + ... + 1414821.

It is an arithmetic number, because the mean of its divisors is an integer number (166702677008).

Almost surely, 2^{1000211200221} is an apocalyptic number.

It is an amenable number.

1000211200221 is a deficient number, since it is larger than the sum of its proper divisors (333410215843).

1000211200221 is a wasteful number, since it uses less digits than its factorization.

1000211200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620611.

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

Adding to 1000211200221 its reverse (1220021120001), we get a palindrome (2220232320222).

The spelling of 1000211200221 in words is "one trillion, two hundred eleven million, two hundred thousand, two hundred twenty-one".