200020012111 has 4 divisors (see below), whose sum is σ = 201025138000. Its totient is φ = 199014886224.

The previous prime is 200020012091. The next prime is 200020012117. The reversal of 200020012111 is 111210020002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200020012111 - 2³¹ = 197872528463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502562646 + ... + 502563043.

It is an arithmetic number, because the mean of its divisors is an integer number (50256284500).

Almost surely, 2^200020012111 is an apocalyptic number.

200020012111 is a deficient number, since it is larger than the sum of its proper divisors (1005125889).

200020012111 is a wasteful number, since it uses less digits than its factorization.

200020012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005125888.

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

Adding to 200020012111 its reverse (111210020002), we get a palindrome (311230032113).

The spelling of 200020012111 in words is "two hundred billion, twenty million, twelve thousand, one hundred eleven".