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2220000331021 = 11235185843561
BaseRepresentation
bin100000010011100010010…
…101001100010100001101
321212020012122021121210021
4200103202111030110031
5242333030041043041
64415504251342141
7316250451315034
oct40234225142415
97766178247707
102220000331021
11786551347780
122ba301751951
13131464345a35
147963cd0171b
153cb32235cd1
hex204e254c50d

2220000331021 has 8 divisors (see below), whose sum is σ = 2422848693888. Its totient is φ = 2017323660000.

The previous prime is 2220000331001. The next prime is 2220000331051. The reversal of 2220000331021 is 1201330000222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2220000331021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220000330986 and 2220000331004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220000331001) 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, 42895920 + ... + 42947641.

It is an arithmetic number, because the mean of its divisors is an integer number (302856086736).

Almost surely, 22220000331021 is an apocalyptic number.

It is an amenable number.

2220000331021 is a deficient number, since it is larger than the sum of its proper divisors (202848362867).

2220000331021 is a wasteful number, since it uses less digits than its factorization.

2220000331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85845923.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2220000331021 its reverse (1201330000222), we get a palindrome (3421330331243).

The spelling of 2220000331021 in words is "two trillion, two hundred twenty billion, three hundred thirty-one thousand, twenty-one".

Divisors: 1 11 2351 25861 85843561 944279171 201818211911 2220000331021