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120010010101 = 565121236951
BaseRepresentation
bin110111111000100100…
…1110110110111110101
3102110202201000011202221
41233301021312313311
53431240030310401
6131044251002341
711445650153242
oct1576111666765
9373681004687
10120010010101
1146994581933
121b3131393b1
13b4172b06c7
145b467d05c9
1531c5cd17a1
hex1bf1276df5

120010010101 has 4 divisors (see below), whose sum is σ = 120031252704. Its totient is φ = 119988767500.

The previous prime is 120010010063. The next prime is 120010010173. The reversal of 120010010101 is 101010010021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120010010101 - 217 = 120009879029 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 (120010010201) 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, 10612825 + ... + 10624126.

It is an arithmetic number, because the mean of its divisors is an integer number (30007813176).

Almost surely, 2120010010101 is an apocalyptic number.

It is an amenable number.

120010010101 is a deficient number, since it is larger than the sum of its proper divisors (21242603).

120010010101 is an equidigital number, since it uses as much as digits as its factorization.

120010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242602.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 120010010101 its reverse (101010010021), we get a palindrome (221020020122).

The spelling of 120010010101 in words is "one hundred twenty billion, ten million, ten thousand, one hundred one".

Divisors: 1 5651 21236951 120010010101