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12121102101101 = 729533311196299
BaseRepresentation
bin1011000001100010100111…
…1111000010101001101101
31120220202200110001020210012
42300120221333002221231
53042043004114213401
641440205112223005
72360502131621450
oct260305177025155
946822613036705
1012121102101101
113953592159884
12143919869aa65
1369c027012086
142dc94344d497
1516046ea248bb
hexb0629fc2a6d

12121102101101 has 16 divisors (see below), whose sum is σ = 14333055408000. Its totient is φ = 10029375037248.

The previous prime is 12121102101047. The next prime is 12121102101107. The reversal of 12121102101101 is 10110120112121.

12121102101101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12121102101101 - 218 = 12121101838957 is a prime.

It is a super-2 number, since 2×121211021011012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121102101107) 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, 4515551 + ... + 6680748.

It is an arithmetic number, because the mean of its divisors is an integer number (895815963000).

Almost surely, 212121102101101 is an apocalyptic number.

It is an amenable number.

12121102101101 is a deficient number, since it is larger than the sum of its proper divisors (2211953306899).

12121102101101 is a wasteful number, since it uses less digits than its factorization.

12121102101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201668.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12121102101101 its reverse (10110120112121), we get a palindrome (22231222213222).

The spelling of 12121102101101 in words is "twelve trillion, one hundred twenty-one billion, one hundred two million, one hundred one thousand, one hundred one".

Divisors: 1 7 29 203 5333 37331 154657 1082599 11196299 78374093 324692671 2272848697 59709862567 417969037969 1731586014443 12121102101101