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200212220101 = 449445906949
BaseRepresentation
bin1011101001110110010…
…1000000100011000101
3201010210010121120202011
42322131211000203011
511240013312020401
6231550510414221
720315305535335
oct2723545004305
9633703546664
10200212220101
1177a00640313
1232976801371
1315b592946ba
1499943650c5
15531bde4451
hex2e9d9408c5

200212220101 has 4 divisors (see below), whose sum is σ = 200658127500. Its totient is φ = 199766312704.

The previous prime is 200212220051. The next prime is 200212220119. The reversal of 200212220101 is 101022212002.

Adding to 200212220101 its reverse (101022212002), we get a palindrome (301234432103).

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38325892900 + 161886327201 = 195770^2 + 402351^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212220101 - 27 = 200212219973 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 (200212220171) 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, 222953026 + ... + 222953923.

It is an arithmetic number, because the mean of its divisors is an integer number (50164531875).

Almost surely, 2200212220101 is an apocalyptic number.

It is an amenable number.

200212220101 is a deficient number, since it is larger than the sum of its proper divisors (445907399).

200212220101 is an equidigital number, since it uses as much as digits as its factorization.

200212220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445907398.

The product of its (nonzero) digits is 32, while the sum is 13.

The spelling of 200212220101 in words is "two hundred billion, two hundred twelve million, two hundred twenty thousand, one hundred one".

Divisors: 1 449 445906949 200212220101