111000120200021 has 8 divisors (see below), whose sum is σ = 119538793785600. Its totient is φ = 102461475586032.

The previous prime is 111000120199999. The next prime is 111000120200023. The reversal of 111000120200021 is 120002021000111.

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 111000120200021 - 2³⁴ = 110982940330837 is a prime.

It is a super-2 number, since 2×111000120200021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000120199975 and 111000120200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000120200023) 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, 1067696 + ... + 14937878.

It is an arithmetic number, because the mean of its divisors is an integer number (14942349223200).

Almost surely, 2^{111000120200021} is an apocalyptic number.

It is an amenable number.

111000120200021 is a deficient number, since it is larger than the sum of its proper divisors (8538673585579).

111000120200021 is a wasteful number, since it uses less digits than its factorization.

111000120200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485795.

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

Adding to 111000120200021 its reverse (120002021000111), we get a palindrome (231002141200132).

The spelling of 111000120200021 in words is "one hundred eleven trillion, one hundred twenty million, two hundred thousand, twenty-one".