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102222402104401 = 217014710492701
BaseRepresentation
bin10111001111100010000001…
…111101110010110001010001
3111101221100212221221212202121
4113033202001331302301101
5101344302434414320101
61001224153452414241
730350216263301125
oct2717420175626121
9441840787855677
10102222402104401
112a631306067827
12b56b477777381
1345066b9c48857
141b3583aab5585
15bc408c7cc0a1
hex5cf881f72c51

102222402104401 has 4 divisors (see below), whose sum is σ = 102227112618804. Its totient is φ = 102217691590000.

The previous prime is 102222402104351. The next prime is 102222402104411. The reversal of 102222402104401 is 104401204222201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65538496492225 + 36683905612176 = 8095585^2 + 6056724^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222402104401 - 241 = 100023378848849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222402104411) 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, 2355224650 + ... + 2355268051.

It is an arithmetic number, because the mean of its divisors is an integer number (25556778154701).

Almost surely, 2102222402104401 is an apocalyptic number.

It is an amenable number.

102222402104401 is a deficient number, since it is larger than the sum of its proper divisors (4710514403).

102222402104401 is an equidigital number, since it uses as much as digits as its factorization.

102222402104401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710514402.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 102222402104401 its reverse (104401204222201), we get a palindrome (206623606326602).

The spelling of 102222402104401 in words is "one hundred two trillion, two hundred twenty-two billion, four hundred two million, one hundred four thousand, four hundred one".

Divisors: 1 21701 4710492701 102222402104401