200100022220021 has 48 divisors (see below), whose sum is σ = 252833902374144. Its totient is φ = 155011675104000.

The previous prime is 200100022219969. The next prime is 200100022220029. The reversal of 200100022220021 is 120022220001002.

It is not a de Polignac number, because 200100022220021 - 2⁶ = 200100022219957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200100022219978 and 200100022220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100022220029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488998121 + ... + 489407153.

It is an arithmetic number, because the mean of its divisors is an integer number (5267372966128).

Almost surely, 2^{200100022220021} is an apocalyptic number.

It is an amenable number.

200100022220021 is a deficient number, since it is larger than the sum of its proper divisors (52733880154123).

200100022220021 is a wasteful number, since it uses less digits than its factorization.

200100022220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412434 (or 412423 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200100022220021 its reverse (120022220001002), we get a palindrome (320122242221023).

The spelling of 200100022220021 in words is "two hundred trillion, one hundred billion, twenty-two million, two hundred twenty thousand, twenty-one".