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120201220210101 = 340067073403367
BaseRepresentation
bin11011010101001010000111…
…000010000011110110110101
3120202121010100201002211000120
4123111022013002003312311
5111223334044333210401
61103351402300202153
734214152201562052
oct3325120702036665
9522533321084016
10120201220210101
1135333062195308
1211593975539359
13520bc07498254
142197aad222029
15dd6a99ca8836
hex6d5287083db5

120201220210101 has 4 divisors (see below), whose sum is σ = 160268293613472. Its totient is φ = 80134146806732.

The previous prime is 120201220210087. The next prime is 120201220210111. The reversal of 120201220210101 is 101012022102021.

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 120201220210101 - 26 = 120201220210037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201220210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20033536701681 + ... + 20033536701686.

It is an arithmetic number, because the mean of its divisors is an integer number (40067073403368).

Almost surely, 2120201220210101 is an apocalyptic number.

It is an amenable number.

120201220210101 is a deficient number, since it is larger than the sum of its proper divisors (40067073403371).

120201220210101 is an equidigital number, since it uses as much as digits as its factorization.

120201220210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067073403370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120201220210101 its reverse (101012022102021), we get a palindrome (221213242312122).

The spelling of 120201220210101 in words is "one hundred twenty trillion, two hundred one billion, two hundred twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 3 40067073403367 120201220210101