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121100430110 = 25118912369809
BaseRepresentation
bin111000011001000100…
…1011110101100011110
3102120120200211020211012
41300302021132230132
53441003202230420
6131344402255222
711514660446312
oct1606211365436
9376520736735
10121100430110
11473a40435a0
121b578357512
13b55c188a4a
145c0b557b42
15323b8c3dc5
hex1c3225eb1e

121100430110 has 32 divisors (see below), whose sum is σ = 240469106400. Its totient is φ = 43541724160.

The previous prime is 121100430091. The next prime is 121100430173. The reversal of 121100430110 is 11034001121.

121100430110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1211004301102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6175115 + ... + 6194694.

It is an arithmetic number, because the mean of its divisors is an integer number (7514659575).

Almost surely, 2121100430110 is an apocalyptic number.

121100430110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100430110 is a deficient number, since it is larger than the sum of its proper divisors (119368676290).

121100430110 is a wasteful number, since it uses less digits than its factorization.

121100430110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12369916.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121100430110 its reverse (11034001121), we get a palindrome (132134431231).

The spelling of 121100430110 in words is "one hundred twenty-one billion, one hundred million, four hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 89 110 178 445 890 979 1958 4895 9790 12369809 24739618 61849045 123698090 136067899 272135798 680339495 1100913001 1360678990 2201826002 5504565005 11009130010 12110043011 24220086022 60550215055 121100430110