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221101000010201 = 19105111072211929
BaseRepresentation
bin110010010001011100010110…
…100100001010100111011001
31001222212001022211212010001202
4302101130112210022213121
5212440004322000311301
62102124221442523545
764400006616116543
oct6221342644124731
91058761284763052
10221101000010201
11644a4453461893
122096aa316665b5
13964a97258c89c
143c854ba09a693
151a865275aa66b
hexc9171690a9d9

221101000010201 has 8 divisors (see below), whose sum is σ = 232959339007200. Its totient is φ = 209264805439200.

The previous prime is 221101000010141. The next prime is 221101000010257. The reversal of 221101000010201 is 102010000101122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221101000010201 - 222 = 221100995815897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221101000010281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5536085996 + ... + 5536125933.

It is an arithmetic number, because the mean of its divisors is an integer number (29119917375900).

Almost surely, 2221101000010201 is an apocalyptic number.

It is an amenable number.

221101000010201 is a deficient number, since it is larger than the sum of its proper divisors (11858338996999).

221101000010201 is a wasteful number, since it uses less digits than its factorization.

221101000010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072212999.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 221101000010201 its reverse (102010000101122), we get a palindrome (323111000111323).

The spelling of 221101000010201 in words is "two hundred twenty-one trillion, one hundred one billion, ten thousand, two hundred one".

Divisors: 1 19 1051 19969 11072211929 210372026651 11636894737379 221101000010201