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212202221110001 = 427274966466663
BaseRepresentation
bin110000001111111100101110…
…000000101000001011110001
31000211100100000122101220222122
4300033330232000220023301
5210303210122101010001
62031152204331444025
762461050600364433
oct6017745600501361
91024310018356878
10212202221110001
1161683502797151
121b9722665b6615
1391537781b09b5
143a588dc698653
15197ed00420b1b
hexc0ff2e0282f1

212202221110001 has 4 divisors (see below), whose sum is σ = 212207187619392. Its totient is φ = 212197254600612.

The previous prime is 212202221109997. The next prime is 212202221110031. The reversal of 212202221110001 is 100011122202212.

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 212202221110001 - 22 = 212202221109997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202221110031) 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, 2483190605 + ... + 2483276058.

It is an arithmetic number, because the mean of its divisors is an integer number (53051796904848).

Almost surely, 2212202221110001 is an apocalyptic number.

It is an amenable number.

212202221110001 is a deficient number, since it is larger than the sum of its proper divisors (4966509391).

212202221110001 is an equidigital number, since it uses as much as digits as its factorization.

212202221110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966509390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212202221110001 its reverse (100011122202212), we get a palindrome (312213343312213).

The spelling of 212202221110001 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-one million, one hundred ten thousand, one".

Divisors: 1 42727 4966466663 212202221110001