111003113200021 has 8 divisors (see below), whose sum is σ = 126862406947584. Its totient is φ = 95144245989360.

The previous prime is 111003113200003. The next prime is 111003113200103. The reversal of 111003113200021 is 120002311300111.

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 111003113200021 - 2⁴³ = 102207020177813 is a prime.

It is a super-2 number, since 2×111003113200021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111003113199968 and 111003113200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111003113201021) 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, 106076365 + ... + 107117698.

It is an arithmetic number, because the mean of its divisors is an integer number (15857800868448).

Almost surely, 2^{111003113200021} is an apocalyptic number.

It is an amenable number.

111003113200021 is a deficient number, since it is larger than the sum of its proper divisors (15859293747563).

111003113200021 is an equidigital number, since it uses as much as digits as its factorization.

111003113200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213268451.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111003113200021 its reverse (120002311300111), we get a palindrome (231005424500132).

The spelling of 111003113200021 in words is "one hundred eleven trillion, three billion, one hundred thirteen million, two hundred thousand, twenty-one".