200001122111 has 16 divisors (see below), whose sum is σ = 228922848000. Its totient is φ = 171167131968.

The previous prime is 200001122089. The next prime is 200001122119. The reversal of 200001122111 is 111221100002.

It is not a de Polignac number, because 200001122111 - 2³⁰ = 198927380287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200001122092 and 200001122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001122119) 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, 14524916 + ... + 14538678.

It is an arithmetic number, because the mean of its divisors is an integer number (14307678000).

Almost surely, 2^200001122111 is an apocalyptic number.

200001122111 is a deficient number, since it is larger than the sum of its proper divisors (28921725889).

200001122111 is a wasteful number, since it uses less digits than its factorization.

200001122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16798.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200001122111 its reverse (111221100002), we get a palindrome (311222222113).

The spelling of 200001122111 in words is "two hundred billion, one million, one hundred twenty-two thousand, one hundred eleven".