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121022202102 = 23232029743207
BaseRepresentation
bin111000010110101111…
…1000100000011110110
3102120101020121212011120
41300231133010003312
53440323140431402
6131332525444410
711513020513314
oct1605537040366
9376336555146
10121022202102
114736397274a
121b556110706
13b548bc9099
145c00dd30b4
153234ac03bc
hex1c2d7c40f6

121022202102 has 32 divisors (see below), whose sum is σ = 252586363392. Its totient is φ = 38583994944.

The previous prime is 121022202097. The next prime is 121022202109. The reversal of 121022202102 is 201202220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022202109) by changing a digit.

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, 2779383 + ... + 2822589.

It is an arithmetic number, because the mean of its divisors is an integer number (7893323856).

Almost surely, 2121022202102 is an apocalyptic number.

121022202102 is an abundant number, since it is smaller than the sum of its proper divisors (131564161290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022202102 is a wasteful number, since it uses less digits than its factorization.

121022202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63532.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121022202102 its reverse (201202220121), we get a palindrome (322224422223).

The spelling of 121022202102 in words is "one hundred twenty-one billion, twenty-two million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 138 20297 40594 43207 60891 86414 121782 129621 259242 466831 933662 993761 1400493 1987522 2800986 2981283 5962566 876972479 1753944958 2630917437 5261834874 20170367017 40340734034 60511101051 121022202102