200111312011 has 8 divisors (see below), whose sum is σ = 215510060304. Its totient is φ = 184713359520.

The previous prime is 200111311997. The next prime is 200111312039. The reversal of 200111312011 is 110213111002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200111312011 - 2²¹ = 200109214859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200111311982 and 200111312000.

It is not an unprimeable number, because it can be changed into a prime (200111312111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387321 + ... + 741781.

It is an arithmetic number, because the mean of its divisors is an integer number (26938757538).

Almost surely, 2^200111312011 is an apocalyptic number.

200111312011 is a deficient number, since it is larger than the sum of its proper divisors (15398748293).

200111312011 is a wasteful number, since it uses less digits than its factorization.

200111312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397901.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 200111312011 its reverse (110213111002), we get a palindrome (310324423013).

The spelling of 200111312011 in words is "two hundred billion, one hundred eleven million, three hundred twelve thousand, eleven".