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102221132213 = 110563924551
BaseRepresentation
bin101111100110011011…
…0101011000110110101
3100202211222002112211202
41133030312223012311
53133322102212323
6114543145342245
710246064200424
oct1371466530665
9322758075752
10102221132213
113a396189662
1217989797985
139840a2c965
144d3a03d2bb
1529d422cd28
hex17ccdab1b5

102221132213 has 4 divisors (see below), whose sum is σ = 102222167328. Its totient is φ = 102220097100.

The previous prime is 102221132207. The next prime is 102221132269. The reversal of 102221132213 is 312231122201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102221132213 - 216 = 102221066677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223132213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351713 + ... + 572838.

It is an arithmetic number, because the mean of its divisors is an integer number (25555541832).

Almost surely, 2102221132213 is an apocalyptic number.

It is an amenable number.

102221132213 is a deficient number, since it is larger than the sum of its proper divisors (1035115).

102221132213 is an equidigital number, since it uses as much as digits as its factorization.

102221132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035114.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102221132213 its reverse (312231122201), we get a palindrome (414452254414).

The spelling of 102221132213 in words is "one hundred two billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 110563 924551 102221132213