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210102222101 = 704872980723
BaseRepresentation
bin1100001110101100010…
…0010111110100010101
3202002022101101201222112
43003223010113310111
511420242132101401
6240304123440405
721115346264402
oct3035304276425
9662271351875
10210102222101
1181116255192
1234876986105
1316a7424a6a5
14a251a532a9
1556ea2c53bb
hex30eb117d15

210102222101 has 4 divisors (see below), whose sum is σ = 210105273312. Its totient is φ = 210099170892.

The previous prime is 210102222067. The next prime is 210102222107. The reversal of 210102222101 is 101222201012.

210102222101 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.

It is a cyclic number.

It is not a de Polignac number, because 210102222101 - 230 = 209028480277 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 (210102222107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419875 + ... + 1560848.

It is an arithmetic number, because the mean of its divisors is an integer number (52526318328).

Almost surely, 2210102222101 is an apocalyptic number.

It is an amenable number.

210102222101 is a deficient number, since it is larger than the sum of its proper divisors (3051211).

210102222101 is an equidigital number, since it uses as much as digits as its factorization.

210102222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051210.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210102222101 its reverse (101222201012), we get a palindrome (311324423113).

The spelling of 210102222101 in words is "two hundred ten billion, one hundred two million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 70487 2980723 210102222101