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2132203210121 = 97421123742209
BaseRepresentation
bin11111000001110001001…
…101110000010110001001
321112211120220111202200202
4133001301031300112021
5234413223010210441
64311304242341545
7310021661151365
oct37016115602611
97484526452622
102132203210121
11752298142326
122a529a65a8b5
131260b1a2271a
14752b07d02a5
153a6e449419b
hex1f071370589

2132203210121 has 16 divisors (see below), whose sum is σ = 2161098308880. Its totient is φ = 2103457628160.

The previous prime is 2132203210099. The next prime is 2132203210127. The reversal of 2132203210121 is 1210123022312.

It can be written as a sum of positive squares in 8 ways, for example, as 16446780025 + 2115756430096 = 128245^2 + 1454564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2132203210121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132203210093 and 2132203210102.

It is not an unprimeable number, because it can be changed into a prime (2132203210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50494265 + ... + 50536473.

It is an arithmetic number, because the mean of its divisors is an integer number (135068644305).

Almost surely, 22132203210121 is an apocalyptic number.

It is an amenable number.

2132203210121 is a deficient number, since it is larger than the sum of its proper divisors (28895098759).

2132203210121 is a wasteful number, since it uses less digits than its factorization.

2132203210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43964.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2132203210121 its reverse (1210123022312), we get a palindrome (3342326232433).

The spelling of 2132203210121 in words is "two trillion, one hundred thirty-two billion, two hundred three million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 97 421 1237 40837 42209 119989 520777 4094273 17769989 50515369 52212533 1723688933 5064615701 21981476393 2132203210121