200020110021100 has 18 divisors (see below), whose sum is σ = 434043638746004. Its totient is φ = 80008044008400.

The previous prime is 200020110021079. The next prime is 200020110021119. The reversal of 200020110021100 is 1120011020002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000100550006 + ... + 1000100550205.

Almost surely, 2^{200020110021100} is an apocalyptic number.

200020110021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020110021100 is an abundant number, since it is smaller than the sum of its proper divisors (234023528724904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200020110021100 is a wasteful number, since it uses less digits than its factorization.

200020110021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000201100225 (or 2000201100218 counting only the distinct ones).

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

Adding to 200020110021100 its reverse (1120011020002), we get a palindrome (201140121041102).

The spelling of 200020110021100 in words is "two hundred trillion, twenty billion, one hundred ten million, twenty-one thousand, one hundred".