200002022121 has 16 divisors (see below), whose sum is σ = 290982516480. Its totient is φ = 121183978320.

The previous prime is 200002022089. The next prime is 200002022147. The reversal of 200002022121 is 121220200002.

It is not a de Polignac number, because 200002022121 - 2⁵ = 200002022089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200002022097 and 200002022106.

It is not an unprimeable number, because it can be changed into a prime (200002022221) 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, 595555 + ... + 868728.

It is an arithmetic number, because the mean of its divisors is an integer number (18186407280).

Almost surely, 2^200002022121 is an apocalyptic number.

It is an amenable number.

200002022121 is a deficient number, since it is larger than the sum of its proper divisors (90980494359).

200002022121 is a wasteful number, since it uses less digits than its factorization.

200002022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468436.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200002022121 its reverse (121220200002), we get a palindrome (321222222123).

The spelling of 200002022121 in words is "two hundred billion, two million, twenty-two thousand, one hundred twenty-one".