11312021200111 has 8 divisors (see below), whose sum is σ = 11808126518400. Its totient is φ = 10824115969920.

The previous prime is 11312021200091. The next prime is 11312021200121. The reversal of 11312021200111 is 11100212021311.

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 11312021200111 - 2³³ = 11303431265519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312021200121) 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, 2050019206 + ... + 2050024723.

It is an arithmetic number, because the mean of its divisors is an integer number (1476015814800).

Almost surely, 2^{11312021200111} is an apocalyptic number.

11312021200111 is a deficient number, since it is larger than the sum of its proper divisors (496105318289).

11312021200111 is an equidigital number, since it uses as much as digits as its factorization.

11312021200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100044049.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11312021200111 its reverse (11100212021311), we get a palindrome (22412233221422).

It can be divided in two parts, 11312021200 and 111, that added together give a palindrome (11312021311).

The spelling of 11312021200111 in words is "eleven trillion, three hundred twelve billion, twenty-one million, two hundred thousand, one hundred eleven".