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221210224044001 = 535914127749511
BaseRepresentation
bin110010010011000010000100…
…110100110010011111100001
31002000020111020212010220220221
4302103002010310302133201
5212443302014323402001
62102250323553003041
764410624366103063
oct6223020464623741
91060214225126827
10221210224044001
1164536802597015
1220988034553481
13965805b0a009a
143c8a8bc1ad733
151a892bb4c71a1
hexc93084d327e1

221210224044001 has 4 divisors (see below), whose sum is σ = 221214351847104. Its totient is φ = 221206096240900.

The previous prime is 221210224043993. The next prime is 221210224044013. The reversal of 221210224044001 is 100440422012122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221210224044001 - 23 = 221210224043993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221210224044101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063821165 + ... + 2063928346.

It is an arithmetic number, because the mean of its divisors is an integer number (55303587961776).

Almost surely, 2221210224044001 is an apocalyptic number.

It is an amenable number.

221210224044001 is a deficient number, since it is larger than the sum of its proper divisors (4127803103).

221210224044001 is an equidigital number, since it uses as much as digits as its factorization.

221210224044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127803102.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 221210224044001 its reverse (100440422012122), we get a palindrome (321650646056123).

The spelling of 221210224044001 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred twenty-four million, forty-four thousand, one".

Divisors: 1 53591 4127749511 221210224044001