Search a number
-
+
111002200021 = 907771715859
BaseRepresentation
bin110011101100000111…
…1110010011111010101
3101121111221020000100101
41213120033302133111
53304313030400041
6122554350214101
711006511063256
oct1473017623725
9347457200311
10111002200021
1143091936899
121961a4b4331
13a61002757b
145530344b2d
152d4a0b0b31
hex19d83f27d5

111002200021 has 8 divisors (see below), whose sum is σ = 111145991840. Its totient is φ = 110858457168.

The previous prime is 111002200013. The next prime is 111002200031. The reversal of 111002200021 is 120002200111.

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 111002200021 - 23 = 111002200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111002199980 and 111002200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002200031) 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, 6991390 + ... + 7007248.

It is an arithmetic number, because the mean of its divisors is an integer number (13893248980).

Almost surely, 2111002200021 is an apocalyptic number.

It is an amenable number.

111002200021 is a deficient number, since it is larger than the sum of its proper divisors (143791819).

111002200021 is an equidigital number, since it uses as much as digits as its factorization.

111002200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111002200021 its reverse (120002200111), we get a palindrome (231004400132).

The spelling of 111002200021 in words is "one hundred eleven billion, two million, two hundred thousand, twenty-one".

Divisors: 1 907 7717 15859 6999319 14384113 122383903 111002200021