200100001221121 has 16 divisors (see below), whose sum is σ = 200818000656000. Its totient is φ = 199382861923200.

The previous prime is 200100001221097. The next prime is 200100001221163. The reversal of 200100001221121 is 121122100001002.

It is a cyclic number.

It is not a de Polignac number, because 200100001221121 - 2⁴¹ = 197900977965569 is a prime.

It is a super-2 number, since 2×200100001221121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200100001221221) 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, 5308940886 + ... + 5308978576.

It is an arithmetic number, because the mean of its divisors is an integer number (12551125041000).

Almost surely, 2^{200100001221121} is an apocalyptic number.

It is an amenable number.

200100001221121 is a deficient number, since it is larger than the sum of its proper divisors (717999434879).

200100001221121 is a wasteful number, since it uses less digits than its factorization.

200100001221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48600.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200100001221121 its reverse (121122100001002), we get a palindrome (321222101222123).

The spelling of 200100001221121 in words is "two hundred trillion, one hundred billion, one million, two hundred twenty-one thousand, one hundred twenty-one".