200002111120121 has 4 divisors (see below), whose sum is σ = 210528538021200. Its totient is φ = 189475684219044.

The previous prime is 200002111120111. The next prime is 200002111120153. The reversal of 200002111120121 is 121021111200002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200002111120121 - 2⁶ = 200002111120057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002111120096 and 200002111120105.

It is not an unprimeable number, because it can be changed into a prime (200002111120111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263213450511 + ... + 5263213450548.

It is an arithmetic number, because the mean of its divisors is an integer number (52632134505300).

Almost surely, 2^{200002111120121} is an apocalyptic number.

It is an amenable number.

200002111120121 is a deficient number, since it is larger than the sum of its proper divisors (10526426901079).

200002111120121 is a wasteful number, since it uses less digits than its factorization.

200002111120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526426901078.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200002111120121 its reverse (121021111200002), we get a palindrome (321023222320123).

The spelling of 200002111120121 in words is "two hundred trillion, two billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-one".