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11101220101 = 617178310091
BaseRepresentation
bin10100101011010111…
…10010110100000101
31001122122220102010001
422111223302310011
5140213403020401
65033321401301
7542045546116
oct122553626405
931578812101
1011101220101
114787392a74
122199939231
13107bba75ba
147744dc20d
1544e8d5601
hex295af2d05

11101220101 has 8 divisors (see below), whose sum is σ = 11126551104. Its totient is φ = 11075914080.

The previous prime is 11101220093. The next prime is 11101220111. The reversal of 11101220101 is 10102210111.

11101220101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11101220101 - 23 = 11101220093 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 (11101220111) 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, 1095066 + ... + 1105156.

It is an arithmetic number, because the mean of its divisors is an integer number (1390818888).

Almost surely, 211101220101 is an apocalyptic number.

It is an amenable number.

11101220101 is a deficient number, since it is larger than the sum of its proper divisors (25331003).

11101220101 is a wasteful number, since it uses less digits than its factorization.

11101220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11101220101 its reverse (10102210111), we get a palindrome (21203430212).

The spelling of 11101220101 in words is "eleven billion, one hundred one million, two hundred twenty thousand, one hundred one".

Divisors: 1 617 1783 10091 1100111 6226147 17992253 11101220101