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10101212211001 = 82352177235231
BaseRepresentation
bin1001001011111101111100…
…1010100110011100111001
31022202122222211212021221211
42102333133022212130321
52310444240311223001
633252233254003121
72061534312056542
oct222773712463471
938678884767854
1010101212211001
113244999a5619a
1211718236464a1
13583703b46482
1426cc8917b4c9
15127b507cb351
hex92fdf2a6739

10101212211001 has 8 divisors (see below), whose sum is σ = 10113722683904. Its totient is φ = 10088702314560.

The previous prime is 10101212210953. The next prime is 10101212211023. The reversal of 10101212211001 is 10011221210101.

It is a happy number.

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 10101212211001 - 211 = 10101212208953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101212211301) 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, 42824056 + ... + 43059286.

It is an arithmetic number, because the mean of its divisors is an integer number (1264215335488).

Almost surely, 210101212211001 is an apocalyptic number.

It is an amenable number.

10101212211001 is a deficient number, since it is larger than the sum of its proper divisors (12510472903).

10101212211001 is an equidigital number, since it uses as much as digits as its factorization.

10101212211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288231.

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

Adding to 10101212211001 its reverse (10011221210101), we get a palindrome (20112433421102).

The spelling of 10101212211001 in words is "ten trillion, one hundred one billion, two hundred twelve million, two hundred eleven thousand, one".

Divisors: 1 823 52177 235231 42941671 193595113 12273647887 10101212211001