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101322202221 = 321012334011193
BaseRepresentation
bin101111001011101000…
…1100001110001101101
3100200112022121011201100
41132113101201301231
53130001440432341
6114314034233313
710214600336322
oct1362721416155
9320468534640
10101322202221
1139a74818209
1217778725839
13972971c316
144c928c0b49
1529803633b6
hex1797461c6d

101322202221 has 48 divisors (see below), whose sum is σ = 148932596592. Its totient is φ = 66370560000.

The previous prime is 101322202207. The next prime is 101322202259. The reversal of 101322202221 is 122202223101.

101322202221 is a `hidden beast` number, since 101 + 322 + 20 + 2 + 221 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 21908144196 + 79414058025 = 148014^2 + 281805^2 .

It is not a de Polignac number, because 101322202221 - 223 = 101313813613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101322202194 and 101322202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101322202271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84930001 + ... + 84931193.

It is an arithmetic number, because the mean of its divisors is an integer number (3102762429).

Almost surely, 2101322202221 is an apocalyptic number.

It is an amenable number.

101322202221 is a deficient number, since it is larger than the sum of its proper divisors (47610394371).

101322202221 is a wasteful number, since it uses less digits than its factorization.

101322202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101322202221 its reverse (122202223101), we get a palindrome (223524425322).

The spelling of 101322202221 in words is "one hundred one billion, three hundred twenty-two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 3 9 101 233 303 401 699 909 1193 1203 2097 3579 3609 10737 23533 40501 70599 93433 120493 121503 211797 277969 280299 361479 364509 478393 833907 840897 1084437 1435179 2501721 4305537 9436733 28074869 28310199 48317693 84224607 84930597 111465569 144953079 252673821 334396707 434859237 1003190121 11258022469 33774067407 101322202221