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10101210103321 = 101100011981221
BaseRepresentation
bin1001001011111101111100…
…0010100011111000011001
31022202122222200220012202121
42102333133002203320121
52310444234241301241
633252233140501241
72061534255130651
oct222773702437031
938678880805677
1010101210103321
113244998846707
1211718229aa821
1358370358901c
1426cc88b8d361
15127b50511ad1
hex92fdf0a3e19

10101210103321 has 4 divisors (see below), whose sum is σ = 10201222084644. Its totient is φ = 10001198122000.

The previous prime is 10101210103297. The next prime is 10101210103343. The reversal of 10101210103321 is 12330101210101.

It is a happy number.

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 5933340864025 + 4167869239296 = 2435845^2 + 2041536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10101210103321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101210103295 and 10101210103304.

It is not an unprimeable number, because it can be changed into a prime (10101210109321) 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, 50005990510 + ... + 50005990711.

It is an arithmetic number, because the mean of its divisors is an integer number (2550305521161).

Almost surely, 210101210103321 is an apocalyptic number.

It is an amenable number.

10101210103321 is a deficient number, since it is larger than the sum of its proper divisors (100011981323).

10101210103321 is a wasteful number, since it uses less digits than its factorization.

10101210103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100011981322.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10101210103321 its reverse (12330101210101), we get a palindrome (22431311313422).

The spelling of 10101210103321 in words is "ten trillion, one hundred one billion, two hundred ten million, one hundred three thousand, three hundred twenty-one".

Divisors: 1 101 100011981221 10101210103321