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221102221202101 = 556365476070741
BaseRepresentation
bin110010010001011101011111…
…010110101001001010110101
31001222212011110221202002102101
4302101131133112221022311
5212440014322111431401
62102124542545142101
764400052105100021
oct6221353726511265
91058764427662371
10221102221202101
11644a4a1a822398
122096b11262a931
13964ab08593b45
143c85594345381
151a865998d0101
hexc9175f5a92b5

221102221202101 has 8 divisors (see below), whose sum is σ = 221175780379424. Its totient is φ = 221028674190480.

The previous prime is 221102221202099. The next prime is 221102221202189. The reversal of 221102221202101 is 101202122201122.

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 221102221202101 - 21 = 221102221202099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102221208101) 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, 33385591 + ... + 39456331.

It is an arithmetic number, because the mean of its divisors is an integer number (27646972547428).

Almost surely, 2221102221202101 is an apocalyptic number.

It is an amenable number.

221102221202101 is a deficient number, since it is larger than the sum of its proper divisors (73559177323).

221102221202101 is an equidigital number, since it uses as much as digits as its factorization.

221102221202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082851.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221102221202101 its reverse (101202122201122), we get a palindrome (322304343403223).

The spelling of 221102221202101 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred two thousand, one hundred one".

Divisors: 1 5563 6547 6070741 36420961 33771532183 39745141327 221102221202101