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10212221210101 = 29381139239513
BaseRepresentation
bin1001010010011011011111…
…0100010100110111110101
31100011021112020212201212221
42110212313310110313311
52314304112112210401
633415232450042341
72102544235021411
oct224466764246765
940137466781787
1010212221210101
113287a84706259
12118b2442793b1
135910153b1661
142743ba371d41
1512a99b2817a1
hex949b7d14df5

10212221210101 has 8 divisors (see below), whose sum is σ = 10564645097880. Its totient is φ = 9859815877632.

The previous prime is 10212221210099. The next prime is 10212221210167. The reversal of 10212221210101 is 10101212221201.

It can be written as a sum of positive squares in 4 ways, for example, as 240987719025 + 9971233491076 = 490905^2 + 3157726^2 .

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 10212221210101 - 21 = 10212221210099 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 (10212221210501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514480 + ... + 5725033.

It is an arithmetic number, because the mean of its divisors is an integer number (1320580637235).

Almost surely, 210212221210101 is an apocalyptic number.

It is an amenable number.

10212221210101 is a deficient number, since it is larger than the sum of its proper divisors (352423887779).

10212221210101 is an equidigital number, since it uses as much as digits as its factorization.

10212221210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277655.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10212221210101 its reverse (10101212221201), we get a palindrome (20313433431302).

The spelling of 10212221210101 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, one hundred one".

Divisors: 1 29 38113 1105277 9239513 267945877 352145558969 10212221210101