200020012101 has 48 divisors (see below), whose sum is σ = 365201759104. Its totient is φ = 102653557632.

The previous prime is 200020012091. The next prime is 200020012117. The reversal of 200020012101 is 101210020002.

It is not a de Polignac number, because 200020012101 - 2¹⁰ = 200020011077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020012151) 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, 3270031 + ... + 3330636.

Almost surely, 2^200020012101 is an apocalyptic number.

200020012101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200020012101 is a deficient number, since it is larger than the sum of its proper divisors (165181747003).

200020012101 is a wasteful number, since it uses less digits than its factorization.

200020012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600730 (or 6600727 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200020012101 its reverse (101210020002), we get a palindrome (301230032103).

The spelling of 200020012101 in words is "two hundred billion, twenty million, twelve thousand, one hundred one".