200101121200091 has 8 divisors (see below), whose sum is σ = 200334187975680. Its totient is φ = 199868057203752.

The previous prime is 200101121200049. The next prime is 200101121200093. The reversal of 200101121200091 is 190002121101002.

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 200101121200091 - 2⁶ = 200101121200027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200101121200093) 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, 166896290 + ... + 168090968.

It is an arithmetic number, because the mean of its divisors is an integer number (25041773496960).

Almost surely, 2^{200101121200091} is an apocalyptic number.

200101121200091 is a deficient number, since it is larger than the sum of its proper divisors (233066775589).

200101121200091 is a wasteful number, since it uses less digits than its factorization.

200101121200091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389625.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 200101121200091 its reverse (190002121101002), we get a palindrome (390103242301093).

The spelling of 200101121200091 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, two hundred thousand, ninety-one".