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121108837080 = 2335721121721931
BaseRepresentation
bin111000011001010100…
…1100011001011011000
3102120121021122101000110
41300302221203023120
53441012330241310
6131345302404320
711515122062400
oct1606251431330
9376537571013
10121108837080
11473a8865900
121b57b1306a0
13b560b4049a
145c0c705800
15323c4d4d20
hex1c32a632d8

121108837080 has 1728 divisors, whose sum is σ = 536225356800. Its totient is φ = 21714739200.

The previous prime is 121108837051. The next prime is 121108837117. The reversal of 121108837080 is 80738801121.

It is a congruent number.

It is an unprimeable number.

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 431 ways as a sum of consecutive naturals, for example, 3906736665 + ... + 3906736695.

It is an arithmetic number, because the mean of its divisors is an integer number (310315600).

Almost surely, 2121108837080 is an apocalyptic number.

121108837080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121108837080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268112678400).

121108837080 is an abundant number, since it is smaller than the sum of its proper divisors (415116519720).

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

121108837080 is a wasteful number, since it uses less digits than its factorization.

121108837080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 121108837080 in words is "one hundred twenty-one billion, one hundred eight million, eight hundred thirty-seven thousand, eighty".