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213312112021101 = 3143415538189527
BaseRepresentation
bin110000100000000110011000…
…101010011100111001101101
31000222021102211211222001000010
4300200012120222130321231
5210424401201134133401
62033402121553523433
762634201663435462
oct6040063052347155
91028242754861003
10213312112021101
1161a71182223035
121bb11396873579
13920432719c992
143a9650b609669
15199db0e3d1ed6
hexc20198a9ce6d

213312112021101 has 16 divisors (see below), whose sum is σ = 284444294880128. Its totient is φ = 142194002558400.

The previous prime is 213312112021087. The next prime is 213312112021159. The reversal of 213312112021101 is 101120211213312.

It is not a de Polignac number, because 213312112021101 - 239 = 212762356207213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312112021501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2382612000 + ... + 2382701526.

It is an arithmetic number, because the mean of its divisors is an integer number (17777768430008).

Almost surely, 2213312112021101 is an apocalyptic number.

It is an amenable number.

213312112021101 is a deficient number, since it is larger than the sum of its proper divisors (71132182859027).

213312112021101 is a wasteful number, since it uses less digits than its factorization.

213312112021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159252.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 213312112021101 its reverse (101120211213312), we get a palindrome (314432323234413).

The spelling of 213312112021101 in words is "two hundred thirteen trillion, three hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred one".

Divisors: 1 3 14341 43023 55381 89527 166143 268581 794218921 1283906707 2382656763 3851720121 4958094787 14874284361 71104037340367 213312112021101