200002021121121 has 16 divisors (see below), whose sum is σ = 267115023302400. Its totient is φ = 133111871623808.

The previous prime is 200002021121081. The next prime is 200002021121183. The reversal of 200002021121121 is 121121120200002.

It is a cyclic number.

It is not a de Polignac number, because 200002021121121 - 2⁴¹ = 197802997865569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200002021121121.

It is not an unprimeable number, because it can be changed into a prime (200002021121621) 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, 34157815 + ... + 39582323.

It is an arithmetic number, because the mean of its divisors is an integer number (16694688956400).

Almost surely, 2^{200002021121121} is an apocalyptic number.

It is an amenable number.

200002021121121 is a deficient number, since it is larger than the sum of its proper divisors (67113002181279).

200002021121121 is a wasteful number, since it uses less digits than its factorization.

200002021121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445048.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200002021121121 its reverse (121121120200002), we get a palindrome (321123141321123).

The spelling of 200002021121121 in words is "two hundred trillion, two billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".