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201122171221101 = 3135156978749259
BaseRepresentation
bin101101101110101101100111…
…100100100111010001101101
3222101010002110220202112222020
4231232231213210213101231
5202330141201313033401
61551430125553140353
760235411615313604
oct5556554744472155
9871102426675866
10201122171221101
11590a1485456969
121a6829a825a6b9
13882b97c5081a0
1437945178bca3b
15183b9b11e0d36
hexb6eb6792746d

201122171221101 has 8 divisors (see below), whose sum is σ = 288790809958560. Its totient is φ = 123767489982192.

The previous prime is 201122171221067. The next prime is 201122171221117. The reversal of 201122171221101 is 101122171221102.

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

It is a de Polignac number, because none of the positive numbers 2k-201122171221101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122171221121) 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, 2578489374591 + ... + 2578489374668.

It is an arithmetic number, because the mean of its divisors is an integer number (36098851244820).

Almost surely, 2201122171221101 is an apocalyptic number.

It is an amenable number.

201122171221101 is a deficient number, since it is larger than the sum of its proper divisors (87668638737459).

201122171221101 is a wasteful number, since it uses less digits than its factorization.

201122171221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156978749275.

The product of its (nonzero) digits is 224, while the sum is 24.

Subtracting from 201122171221101 its reverse (101122171221102), we obtain a palindrome (99999999999999).

The spelling of 201122171221101 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred seventy-one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 3 13 39 5156978749259 15470936247777 67040723740367 201122171221101