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22001022120201 = 397467161894833
BaseRepresentation
bin1010000000010100000110…
…00110111011000100001001
32212220021111001121102221120
411000022003012323010021
510340431043130321301
6114443044030425453
74430343560300145
oct500120306730411
985807431542846
1022001022120201
11701264346a963
122573b41962289
13c378c252b757
14560bd8776225
1528246c963e36
hex1402831bb109

22001022120201 has 16 divisors (see below), whose sum is σ = 29700578666304. Its totient is φ = 14485054408704.

The previous prime is 22001022120199. The next prime is 22001022120241. The reversal of 22001022120201 is 10202122010022.

It is not a de Polignac number, because 22001022120201 - 21 = 22001022120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22001022120241) 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, 80811520 + ... + 81083313.

It is an arithmetic number, because the mean of its divisors is an integer number (1856286166644).

Almost surely, 222001022120201 is an apocalyptic number.

It is an amenable number.

22001022120201 is a deficient number, since it is larger than the sum of its proper divisors (7699556546103).

22001022120201 is a wasteful number, since it uses less digits than its factorization.

22001022120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161895400.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22001022120201 its reverse (10202122010022), we get a palindrome (32203144130223).

The spelling of 22001022120201 in words is "twenty-two trillion, one billion, twenty-two million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 97 291 467 1401 45299 135897 161894833 485684499 15703798801 47111396403 75604887011 226814661033 7333674040067 22001022120201