Search a number
-
+
11112211210101 = 381140511127447
BaseRepresentation
bin1010000110110100001101…
…1001101101111101110101
31110100022120002211202200220
42201231003121231331311
52424030302032210401
635344513535124553
72224554644552421
oct241550331557565
943308502752626
1011112211210101
1135a4731595991
1212b5755073759
13627b52a78bb1
142a5b962b3b81
151440c2985336
hexa1b4366df75

11112211210101 has 16 divisors (see below), whose sum is σ = 14838225873408. Its totient is φ = 7397173206000.

The previous prime is 11112211210043. The next prime is 11112211210127. The reversal of 11112211210101 is 10101211221111.

It is not a de Polignac number, because 11112211210101 - 226 = 11112144101237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112211210171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9292360 + ... + 10419806.

It is an arithmetic number, because the mean of its divisors is an integer number (927389117088).

Almost surely, 211112211210101 is an apocalyptic number.

It is an amenable number.

11112211210101 is a deficient number, since it is larger than the sum of its proper divisors (3726014663307).

11112211210101 is a wasteful number, since it uses less digits than its factorization.

11112211210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132312.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112211210101 its reverse (10101211221111), we get a palindrome (21213422431212).

The spelling of 11112211210101 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, two hundred ten thousand, one hundred one".

Divisors: 1 3 811 2433 4051 12153 1127447 3285361 3382341 9856083 914359517 2743078551 4567287797 13701863391 3704070403367 11112211210101