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1200022110121 = 67166491075787
BaseRepresentation
bin10001011101100110111…
…001000011111110101001
311020201110121022102100211
4101131212321003332221
5124130121130010441
62315141010301121
7152461444431022
oct21354671037651
94221417272324
101200022110121
11422a2121881a
121746a4b877a1
1389214059713
144211d441c49
1521336b06a81
hex11766e43fa9

1200022110121 has 8 divisors (see below), whose sum is σ = 1218007173600. Its totient is φ = 1182039231648.

The previous prime is 1200022110071. The next prime is 1200022110137. The reversal of 1200022110121 is 1210112200021.

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 1200022110121 - 233 = 1191432175529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200022110421) 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 7 ways as a sum of consecutive naturals, for example, 577590 + ... + 1653376.

It is an arithmetic number, because the mean of its divisors is an integer number (152250896700).

Almost surely, 21200022110121 is an apocalyptic number.

It is an amenable number.

1200022110121 is a deficient number, since it is larger than the sum of its proper divisors (17985063479).

1200022110121 is a wasteful number, since it uses less digits than its factorization.

1200022110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200022110121 its reverse (1210112200021), we get a palindrome (2410134310142).

The spelling of 1200022110121 in words is "one trillion, two hundred billion, twenty-two million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 67 16649 1075787 1115483 72077729 17910777763 1200022110121