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11202211321 = 72955183307
BaseRepresentation
bin10100110111011010…
…00010110111111001
31001220200221022000121
422123231002313321
5140420231230241
65051330133241
7544413140140
oct123355026771
931820838017
1011202211321
1148293a1194
122207721221
131096aa7312
14783aaa757
154586d3ad1
hex29bb42df9

11202211321 has 8 divisors (see below), whose sum is σ = 13243993920. Its totient is φ = 9270795408.

The previous prime is 11202211309. The next prime is 11202211331. The reversal of 11202211321 is 12311220211.

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

It is not a de Polignac number, because 11202211321 - 215 = 11202178553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202211295 and 11202211304.

It is not an unprimeable number, because it can be changed into a prime (11202211331) 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, 27591451 + ... + 27591856.

It is an arithmetic number, because the mean of its divisors is an integer number (1655499240).

Almost surely, 211202211321 is an apocalyptic number.

It is an amenable number.

11202211321 is a deficient number, since it is larger than the sum of its proper divisors (2041782599).

11202211321 is an equidigital number, since it uses as much as digits as its factorization.

11202211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55183343.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11202211321 its reverse (12311220211), we get a palindrome (23513431532).

The spelling of 11202211321 in words is "eleven billion, two hundred two million, two hundred eleven thousand, three hundred twenty-one".

Divisors: 1 7 29 203 55183307 386283149 1600315903 11202211321