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122121011103 = 37131923543669
BaseRepresentation
bin111000110111011111…
…0101011111110011111
3102200012211020010202020
41301232332223332133
54000100434323403
6132033541031223
711552162316150
oct1615676537637
9380184203666
10122121011103
1147878144163
121b8020b5513
13b692750920
145ca6d01927
15329b2bd453
hex1c6efabf9f

122121011103 has 32 divisors (see below), whose sum is σ = 210951283200. Its totient is φ = 61025187456.

The previous prime is 122121011101. The next prime is 122121011107. The reversal of 122121011103 is 301110121221.

It is not a de Polignac number, because 122121011103 - 21 = 122121011101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121011101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11766648 + ... + 11777021.

It is an arithmetic number, because the mean of its divisors is an integer number (6592227600).

Almost surely, 2122121011103 is an apocalyptic number.

122121011103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122121011103 is a deficient number, since it is larger than the sum of its proper divisors (88830272097).

122121011103 is a wasteful number, since it uses less digits than its factorization.

122121011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23543711.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 122121011103 its reverse (301110121221), we get a palindrome (423231132324).

The spelling of 122121011103 in words is "one hundred twenty-two billion, one hundred twenty-one million, eleven thousand, one hundred three".

Divisors: 1 3 7 13 19 21 39 57 91 133 247 273 399 741 1729 5187 23543669 70631007 164805683 306067697 447329711 494417049 918203091 1341989133 2142473879 3131307977 5815286243 6427421637 9393923931 17445858729 40707003701 122121011103