111000200012021 has 4 divisors (see below), whose sum is σ = 114580851625344. Its totient is φ = 107419548398700.

The previous prime is 111000200011993. The next prime is 111000200012029. The reversal of 111000200012021 is 120210002000111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111000200012021 - 2²² = 111000195817717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000200011993 and 111000200012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000200012029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790325806615 + ... + 1790325806676.

It is an arithmetic number, because the mean of its divisors is an integer number (28645212906336).

Almost surely, 2^{111000200012021} is an apocalyptic number.

It is an amenable number.

111000200012021 is a deficient number, since it is larger than the sum of its proper divisors (3580651613323).

111000200012021 is an equidigital number, since it uses as much as digits as its factorization.

111000200012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580651613322.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111000200012021 its reverse (120210002000111), we get a palindrome (231210202012132).

The spelling of 111000200012021 in words is "one hundred eleven trillion, two hundred million, twelve thousand, twenty-one".