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2011220302021 = 7674288316209
BaseRepresentation
bin11101010001000110000…
…100100101100011000101
321010021022101211020202121
4131101012010211203011
5230422434344131041
64135535235005541
7265206625332610
oct35210604454305
97107271736677
102011220302021
11705a54478867
122859557398b1
13117871003a38
146d4b4b09177
15374b30867d1
hex1d4461258c5

2011220302021 has 8 divisors (see below), whose sum is σ = 2332844018240. Its totient is φ = 1698173218368.

The previous prime is 2011220301971. The next prime is 2011220302051. The reversal of 2011220302021 is 1202030221102.

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 2011220302021 - 223 = 2011211913413 is a prime.

It is a super-2 number, since 2×20112203020212 (a number of 25 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 = 2011220301986 and 2011220302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220302051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144157636 + ... + 2144158573.

It is an arithmetic number, because the mean of its divisors is an integer number (291605502280).

Almost surely, 22011220302021 is an apocalyptic number.

It is an amenable number.

2011220302021 is a deficient number, since it is larger than the sum of its proper divisors (321623716219).

2011220302021 is an equidigital number, since it uses as much as digits as its factorization.

2011220302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288316283.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2011220302021 its reverse (1202030221102), we get a palindrome (3213250523123).

The spelling of 2011220302021 in words is "two trillion, eleven billion, two hundred twenty million, three hundred two thousand, twenty-one".

Divisors: 1 7 67 469 4288316209 30018213463 287317186003 2011220302021