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2110121121 = 32617268771
BaseRepresentation
bin111110111000101…
…1110010010100001
312110001120021000010
41331301132102201
513310142333441
6545215115133
7103201506423
oct17561362241
95401507003
102110121121
11993121259
124aa812aa9
132782228a4
14160362813
15c53b6116
hex7dc5e4a1

2110121121 has 8 divisors (see below), whose sum is σ = 2814580384. Its totient is φ = 1406204640.

The previous prime is 2110121087. The next prime is 2110121149. The reversal of 2110121121 is 1211210112.

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

It is not a de Polignac number, because 2110121121 - 29 = 2110120609 is a prime.

It is a super-2 number, since 2×21101211212 = 8905222290580593282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110121097 and 2110121106.

It is not an unprimeable number, because it can be changed into a prime (2110121161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126535 + ... + 142236.

It is an arithmetic number, because the mean of its divisors is an integer number (351822548).

Almost surely, 22110121121 is an apocalyptic number.

It is an amenable number.

2110121121 is a deficient number, since it is larger than the sum of its proper divisors (704459263).

2110121121 is a wasteful number, since it uses less digits than its factorization.

2110121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271391.

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

The square root of 2110121121 is about 45936.0546956310. The cubic root of 2110121121 is about 1282.6331539113.

Adding to 2110121121 its reverse (1211210112), we get a palindrome (3321331233).

The spelling of 2110121121 in words is "two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 3 2617 7851 268771 806313 703373707 2110121121