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102101201222 = 251050600611
BaseRepresentation
bin101111100010110110…
…1001011000101000110
3100202112121102102110012
41133011231023011012
53133100401414342
6114523223030222
710243106614406
oct1370555130506
9322477372405
10102101201222
113a334514739
121795559b372
139821c2b287
144d28140806
1529c893cb82
hex17c5b4b146

102101201222 has 4 divisors (see below), whose sum is σ = 153151801836. Its totient is φ = 51050600610.

The previous prime is 102101201207. The next prime is 102101201269. The reversal of 102101201222 is 222102101201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222102101201 = 733042494537.

It is a junction number, because it is equal to n+sod(n) for n = 102101201197 and 102101201206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25525300304 + ... + 25525300307.

It is an arithmetic number, because the mean of its divisors is an integer number (38287950459).

Almost surely, 2102101201222 is an apocalyptic number.

102101201222 is a deficient number, since it is larger than the sum of its proper divisors (51050600614).

102101201222 is an equidigital number, since it uses as much as digits as its factorization.

102101201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050600613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102101201222 its reverse (222102101201), we get a palindrome (324203302423).

It can be divided in two parts, 102101201 and 222, that multiplied together give a palindrome (22666466622).

The spelling of 102101201222 in words is "one hundred two billion, one hundred one million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 51050600611 102101201222