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213220101001 = 1911222110579
BaseRepresentation
bin1100011010010011101…
…0001000101110001001
3202101100200020101202211
43012210322020232021
511443133321213001
6241541342425121
721255535645345
oct3064472105611
9671320211684
10213220101001
1182476208806
12353a6b921a1
131715019554b
14a469b82625
15582dda1351
hex31a4e88b89

213220101001 has 4 divisors (see below), whose sum is σ = 224442211600. Its totient is φ = 201997990404.

The previous prime is 213220100927. The next prime is 213220101019. The reversal of 213220101001 is 100101022312.

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 213220101001 - 213 = 213220092809 is a prime.

It is a super-2 number, since 2×2132201010012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213220101401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611055271 + ... + 5611055308.

It is an arithmetic number, because the mean of its divisors is an integer number (56110552900).

Almost surely, 2213220101001 is an apocalyptic number.

It is an amenable number.

213220101001 is a deficient number, since it is larger than the sum of its proper divisors (11222110599).

213220101001 is a wasteful number, since it uses less digits than its factorization.

213220101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222110598.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 213220101001 its reverse (100101022312), we get a palindrome (313321123313).

The spelling of 213220101001 in words is "two hundred thirteen billion, two hundred twenty million, one hundred one thousand, one".

Divisors: 1 19 11222110579 213220101001