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201121102097 = 1931341461973
BaseRepresentation
bin1011101101001111000…
…0000111100100010001
3201020010110211120110022
42323103300013210101
511243344000231342
6232221015113225
720346653106146
oct2732360074421
9636113746408
10201121102097
1178327689863
1232b8b072815
1315c7267aab6
149a3cd543cd
155371ac79d2
hex2ed3c07911

201121102097 has 8 divisors (see below), whose sum is σ = 218535663360. Its totient is φ = 184389464880.

The previous prime is 201121102087. The next prime is 201121102103. The reversal of 201121102097 is 790201121102.

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 201121102097 - 210 = 201121101073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121102087) 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, 170730398 + ... + 170731575.

It is an arithmetic number, because the mean of its divisors is an integer number (27316957920).

Almost surely, 2201121102097 is an apocalyptic number.

It is an amenable number.

201121102097 is a deficient number, since it is larger than the sum of its proper divisors (17414561263).

201121102097 is a wasteful number, since it uses less digits than its factorization.

201121102097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341462023.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 201121102097 its reverse (790201121102), we get a palindrome (991322223199).

The spelling of 201121102097 in words is "two hundred one billion, one hundred twenty-one million, one hundred two thousand, ninety-seven".

Divisors: 1 19 31 589 341461973 6487777487 10585321163 201121102097