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121022210020101 = 31317348736832009
BaseRepresentation
bin11011100001000110101101…
…110101101001001100000101
3120212111121110220021101022120
4123201012231311221030011
5111330311441231120401
61105220500305120153
734330365120041325
oct3341065565511405
9525447426241276
10121022210020101
113561a25a571a15
12116a6ab9329059
13526b464bcc530
1421c57130c7285
15ded0eab83836
hex6e11add69305

121022210020101 has 32 divisors (see below), whose sum is σ = 175138859454720. Its totient is φ = 73892669105664.

The previous prime is 121022210020043. The next prime is 121022210020133. The reversal of 121022210020101 is 101020012220121.

It is not a de Polignac number, because 121022210020101 - 219 = 121022209495813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022210020301) 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 31 ways as a sum of consecutive naturals, for example, 15130216 + ... + 21701793.

It is an arithmetic number, because the mean of its divisors is an integer number (5473089357960).

Almost surely, 2121022210020101 is an apocalyptic number.

It is an amenable number.

121022210020101 is a deficient number, since it is larger than the sum of its proper divisors (54116649434619).

121022210020101 is a wasteful number, since it uses less digits than its factorization.

121022210020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36832685.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022210020101 its reverse (101020012220121), we get a palindrome (222042222240222).

The spelling of 121022210020101 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, twenty thousand, one hundred one".

Divisors: 1 3 13 39 173 487 519 1461 2249 6331 6747 18993 84251 252753 1095263 3285789 36832009 110496027 478816117 1436448351 6371937557 17937188383 19115812671 53811565149 82835188241 233183448979 248505564723 699550346937 3103133590259 9309400770777 40340736673367 121022210020101