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211100100101 = 11101190009091
BaseRepresentation
bin1100010010011010001…
…0111110011000000101
3202011212221002012020222
43010212202332120011
511424313111200401
6240551131434125
721152154146612
oct3044642763005
9664787065228
10211100100101
1181588559750
1234ab4bb5945
1316ba2bc3a47
14a3083ab509
155757bd7c1b
hex31268be605

211100100101 has 8 divisors (see below), whose sum is σ = 232571128608. Its totient is φ = 190009090000.

The previous prime is 211100100097. The next prime is 211100100109. The reversal of 211100100101 is 101001001112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211100100101 - 22 = 211100100097 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 (211100100109) 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 7 ways as a sum of consecutive naturals, for example, 95003435 + ... + 95005656.

It is an arithmetic number, because the mean of its divisors is an integer number (29071391076).

Almost surely, 2211100100101 is an apocalyptic number.

It is an amenable number.

211100100101 is a deficient number, since it is larger than the sum of its proper divisors (21471028507).

211100100101 is a wasteful number, since it uses less digits than its factorization.

211100100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190009203.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 211100100101 its reverse (101001001112), we get a palindrome (312101101213).

The spelling of 211100100101 in words is "two hundred eleven billion, one hundred million, one hundred thousand, one hundred one".

Divisors: 1 11 101 1111 190009091 2090100001 19190918191 211100100101