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102132122221 = 596072851817
BaseRepresentation
bin101111100011110001…
…1001000001001101101
3100202121202121101002101
41133013203020021231
53133131310402341
6114530245455101
710243633500163
oct1370743101155
9322552541071
10102132122221
113a34aa14088
1217963a11491
13982846651c
144d2c2ad233
1529cb4e9831
hex17c78c826d

102132122221 has 8 divisors (see below), whose sum is σ = 104034320640. Its totient is φ = 100235628768.

The previous prime is 102132122203. The next prime is 102132122263. The reversal of 102132122221 is 122221231201.

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 102132122221 - 25 = 102132122189 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 (102132122291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390096 + ... + 1461721.

It is an arithmetic number, because the mean of its divisors is an integer number (13004290080).

Almost surely, 2102132122221 is an apocalyptic number.

It is an amenable number.

102132122221 is a deficient number, since it is larger than the sum of its proper divisors (1902198419).

102132122221 is an equidigital number, since it uses as much as digits as its factorization.

102132122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852483.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102132122221 its reverse (122221231201), we get a palindrome (224353353422).

The spelling of 102132122221 in words is "one hundred two billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 59 607 35813 2851817 168257203 1731052919 102132122221