1000200011221 has 8 divisors (see below), whose sum is σ = 1032924904704. Its totient is φ = 967503891360.

The previous prime is 1000200011201. The next prime is 1000200011231. The reversal of 1000200011221 is 1221100020001.

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 1000200011221 - 2³⁵ = 965840272853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000200011198 and 1000200011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200011201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7122736 + ... + 7261801.

It is an arithmetic number, because the mean of its divisors is an integer number (129115613088).

Almost surely, 2^{1000200011221} is an apocalyptic number.

It is an amenable number.

1000200011221 is a deficient number, since it is larger than the sum of its proper divisors (32724893483).

1000200011221 is a wasteful number, since it uses less digits than its factorization.

1000200011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386811.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000200011221 its reverse (1221100020001), we get a palindrome (2221300031222).

It can be divided in two parts, 100020001 and 1221, that multiplied together give a palindrome (122124421221).

The spelling of 1000200011221 in words is "one trillion, two hundred million, eleven thousand, two hundred twenty-one".