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102210011100121 = 612337191304517
BaseRepresentation
bin10111001111010110011111…
…011001110111001111011001
3111101220011220102002122101011
4113033112133121313033121
5101344102100320200441
61001214344134253521
730346300233430201
oct2717263731671731
9441804812078334
10102210011100121
112a627027724921
12b568b99ab72a1
134505493aa2162
141b34dc3195401
15bc3ab4a73581
hex5cf59f6773d9

102210011100121 has 8 divisors (see below), whose sum is σ = 104331445947144. Its totient is φ = 100102958862720.

The previous prime is 102210011100103. The next prime is 102210011100163. The reversal of 102210011100121 is 121001110012201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4310859740121 + 97899151360000 = 2076261^2 + 9894400^2 .

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 102210011100121 - 235 = 102175651361753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102210011103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595638046 + ... + 3595666471.

It is an arithmetic number, because the mean of its divisors is an integer number (13041430743393).

Almost surely, 2102210011100121 is an apocalyptic number.

It is an amenable number.

102210011100121 is a deficient number, since it is larger than the sum of its proper divisors (2121434847023).

102210011100121 is an equidigital number, since it uses as much as digits as its factorization.

102210011100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191304811.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102210011100121 its reverse (121001110012201), we get a palindrome (223211121112322).

The spelling of 102210011100121 in words is "one hundred two trillion, two hundred ten billion, eleven million, one hundred thousand, one hundred twenty-one".

Divisors: 1 61 233 14213 7191304517 438669575537 1675573952461 102210011100121