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200120110121 = 1072017927259
BaseRepresentation
bin1011101001100000010…
…1101000110000101001
3201010112201021220121102
42322120011220300221
511234321222010441
6231533420251145
720313106604201
oct2723005506051
9633481256542
10200120110121
1177963648768
123294b9a0ab5
1315b43184259
149986029401
155313c9c69b
hex2e98168c29

200120110121 has 8 divisors (see below), whose sum is σ = 202090753440. Its totient is φ = 198151325568.

The previous prime is 200120110097. The next prime is 200120110139. The reversal of 200120110121 is 121011021002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200120110121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120115121) 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, 247811 + ... + 679448.

It is an arithmetic number, because the mean of its divisors is an integer number (25261344180).

Almost surely, 2200120110121 is an apocalyptic number.

It is an amenable number.

200120110121 is a deficient number, since it is larger than the sum of its proper divisors (1970643319).

200120110121 is a wasteful number, since it uses less digits than its factorization.

200120110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929383.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200120110121 its reverse (121011021002), we get a palindrome (321131131123).

The spelling of 200120110121 in words is "two hundred billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 107 2017 215819 927259 99216713 1870281403 200120110121