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2221201023201 = 331515087107099
BaseRepresentation
bin100000010100101001111…
…001011110000011100001
321212100022022121002211000
4200110221321132003201
5242343004430220301
64420223342342213
7316322301115236
oct40245171360341
97770268532730
102221201023201
11787008086566
122ba59788a969
131315c6020294
147971457178d
153cba285b786
hex20529e5e0e1

2221201023201 has 32 divisors (see below), whose sum is σ = 3313142784000. Its totient is φ = 1470691155600.

The previous prime is 2221201023157. The next prime is 2221201023203. The reversal of 2221201023201 is 1023201021222.

2221201023201 is a `hidden beast` number, since 2 + 221 + 20 + 102 + 320 + 1 = 666.

It is not a de Polignac number, because 2221201023201 - 234 = 2204021154017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221201023203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20686150 + ... + 20793248.

It is an arithmetic number, because the mean of its divisors is an integer number (103535712000).

Almost surely, 22221201023201 is an apocalyptic number.

It is an amenable number.

2221201023201 is a deficient number, since it is larger than the sum of its proper divisors (1091941760799).

2221201023201 is a wasteful number, since it uses less digits than its factorization.

2221201023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112346 (or 112340 counting only the distinct ones).

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

Adding to 2221201023201 its reverse (1023201021222), we get a palindrome (3244402044423).

The spelling of 2221201023201 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twenty-three thousand, two hundred one".

Divisors: 1 3 9 27 151 453 1359 4077 5087 15261 45783 107099 137349 321297 768137 963891 2304411 2891673 6913233 16171949 20739699 48515847 145547541 436642623 544812613 1634437839 4903313517 14709940551 82266704563 246800113689 740400341067 2221201023201