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10210131312121 = 1310919873626299
BaseRepresentation
bin1001010010010011101100…
…1111111111110111111001
31100011002010121100220211001
42110210323033333313321
52314240322103441441
633414245232205001
72102441400130366
oct224447317776771
940132117326731
1010210131312121
113287101a47a44
12118a960399761
13590a7141c930
1427425c99546d
1512a8c7a62731
hex9493b3ffdf9

10210131312121 has 16 divisors (see below), whose sum is σ = 11101989976000. Its totient is φ = 9333568865088.

The previous prime is 10210131312103. The next prime is 10210131312209. The reversal of 10210131312121 is 12121313101201.

It is a de Polignac number, because none of the positive numbers 2k-10210131312121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210131352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002430 + ... + 4628728.

It is an arithmetic number, because the mean of its divisors is an integer number (693874373500).

Almost surely, 210210131312121 is an apocalyptic number.

It is an amenable number.

10210131312121 is a deficient number, since it is larger than the sum of its proper divisors (891858663879).

10210131312121 is a wasteful number, since it uses less digits than its factorization.

10210131312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628408.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10210131312121 its reverse (12121313101201), we get a palindrome (22331444413322).

The spelling of 10210131312121 in words is "ten trillion, two hundred ten billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-one".

Divisors: 1 13 109 1417 1987 25831 216583 2815579 3626299 47141887 395266591 5138465683 7205456113 93670929469 785394716317 10210131312121