200111020101091 has 8 divisors (see below), whose sum is σ = 229792558968000. Its totient is φ = 172344419225640.

The previous prime is 200111020101043. The next prime is 200111020101103. The reversal of 200111020101091 is 190101020111002.

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 200111020101091 - 2¹⁷ = 200111019970019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200111020101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478734497641 + ... + 478734498058.

It is an arithmetic number, because the mean of its divisors is an integer number (28724069871000).

Almost surely, 2^{200111020101091} is an apocalyptic number.

200111020101091 is a deficient number, since it is larger than the sum of its proper divisors (29681538866909).

200111020101091 is a wasteful number, since it uses less digits than its factorization.

200111020101091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957468995729.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 200111020101091 its reverse (190101020111002), we get a palindrome (390212040212093).

The spelling of 200111020101091 in words is "two hundred trillion, one hundred eleven billion, twenty million, one hundred one thousand, ninety-one".