200011002121 has 8 divisors (see below), whose sum is σ = 238522437504. Its totient is φ = 163984175520.

The previous prime is 200011002109. The next prime is 200011002127. The reversal of 200011002121 is 121200110002.

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 200011002121 - 2⁵ = 200011002089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200011002098 and 200011002107.

It is not an unprimeable number, because it can be changed into a prime (200011002127) 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, 621152020 + ... + 621152341.

It is an arithmetic number, because the mean of its divisors is an integer number (29815304688).

Almost surely, 2^200011002121 is an apocalyptic number.

It is an amenable number.

200011002121 is a deficient number, since it is larger than the sum of its proper divisors (38511435383).

200011002121 is a wasteful number, since it uses less digits than its factorization.

200011002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242304391.

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

Adding to 200011002121 its reverse (121200110002), we get a palindrome (321211112123).

The spelling of 200011002121 in words is "two hundred billion, eleven million, two thousand, one hundred twenty-one".