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12202021101 = 34067340367
BaseRepresentation
bin10110101110100110…
…00001000011101101
31011111101020220012110
423113103001003231
5144442204133401
65334443354233
7611243316354
oct132723010355
934441226173
1012202021101
1151a17a5066
122446522979
1311c5c78a3a
1483a7a899b
154b63789d6
hex2d74c10ed

12202021101 has 4 divisors (see below), whose sum is σ = 16269361472. Its totient is φ = 8134680732.

The previous prime is 12202021081. The next prime is 12202021127. The reversal of 12202021101 is 10112020221.

12202021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10112020221 = 33370673407.

It is not a de Polignac number, because 12202021101 - 221 = 12199923949 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 (12202022101) 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, 2033670181 + ... + 2033670186.

It is an arithmetic number, because the mean of its divisors is an integer number (4067340368).

Almost surely, 212202021101 is an apocalyptic number.

It is an amenable number.

12202021101 is a deficient number, since it is larger than the sum of its proper divisors (4067340371).

12202021101 is an equidigital number, since it uses as much as digits as its factorization.

12202021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067340370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12202021101 its reverse (10112020221), we get a palindrome (22314041322).

The spelling of 12202021101 in words is "twelve billion, two hundred two million, twenty-one thousand, one hundred one".

Divisors: 1 3 4067340367 12202021101