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10101220210101 = 318973177466579
BaseRepresentation
bin1001001011111101111110…
…1001000111010110110101
31022202200000101220200122210
42102333133221013112311
52310444244333210401
633252234141244033
72061534440053536
oct222773751072665
938680011820583
1010101220210101
1132449a351a019
121171826263619
135837056b7377
1426cc8a26068d
15127b5135b4d6
hex92fdfa475b5

10101220210101 has 8 divisors (see below), whose sum is σ = 13469003555680. Its totient is φ = 6733791835632.

The previous prime is 10101220210061. The next prime is 10101220210111. The reversal of 10101220210101 is 10101202210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10101220210101 - 210 = 10101220209077 is a prime.

It is a super-5 number, since 5×101012202101015 (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220210111) 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, 88676371 + ... + 88790208.

It is an arithmetic number, because the mean of its divisors is an integer number (1683625444460).

Almost surely, 210101220210101 is an apocalyptic number.

It is an amenable number.

10101220210101 is a deficient number, since it is larger than the sum of its proper divisors (3367783345579).

10101220210101 is a wasteful number, since it uses less digits than its factorization.

10101220210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177485555.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10101220210101 its reverse (10101202210101), we get a palindrome (20202422420202).

The spelling of 10101220210101 in words is "ten trillion, one hundred one billion, two hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 3 18973 56919 177466579 532399737 3367073403367 10101220210101