200111221011 has 16 divisors (see below), whose sum is σ = 287414368416. Its totient is φ = 123113147136.

The previous prime is 200111220997. The next prime is 200111221027. The reversal of 200111221011 is 110122111002.

It is not a de Polignac number, because 200111221011 - 2⁵ = 200111220979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200111221411) 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, 519840 + ... + 818813.

It is an arithmetic number, because the mean of its divisors is an integer number (17963398026).

Almost surely, 2^200111221011 is an apocalyptic number.

200111221011 is a deficient number, since it is larger than the sum of its proper divisors (87303147405).

200111221011 is a wasteful number, since it uses less digits than its factorization.

200111221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342502.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200111221011 its reverse (110122111002), we get a palindrome (310233332013).

The spelling of 200111221011 in words is "two hundred billion, one hundred eleven million, two hundred twenty-one thousand, eleven".