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121002013322220 = 223518111141990177
BaseRepresentation
bin11011100000110011111010…
…000001010110101111101100
3120212102200100100121211022010
4123200303322001112233230
5111324444110402302340
61105203320231521220
734326051455662242
oct3340637201265754
9525380310554263
10121002013322220
1135611736005968
12116a3001529210
135269596855624
1421c4758a3c792
15dec817a11b80
hex6e0cfa056bec

121002013322220 has 48 divisors (see below), whose sum is σ = 340677491682528. Its totient is φ = 32088931706880.

The previous prime is 121002013322219. The next prime is 121002013322257. The reversal of 121002013322220 is 22223310200121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5570984229 + ... + 5571005948.

It is an arithmetic number, because the mean of its divisors is an integer number (7097447743386).

Almost surely, 2121002013322220 is an apocalyptic number.

121002013322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002013322220 is an abundant number, since it is smaller than the sum of its proper divisors (219675478360308).

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

121002013322220 is a wasteful number, since it uses less digits than its factorization.

121002013322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141990370 (or 11141990368 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121002013322220 its reverse (22223310200121), we get a palindrome (143225323522341).

The spelling of 121002013322220 in words is "one hundred twenty-one trillion, two billion, thirteen million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 1086 1810 2172 2715 3620 5430 10860 11141990177 22283980354 33425970531 44567960708 55709950885 66851941062 111419901770 133703882124 167129852655 222839803540 334259705310 668519410620 2016700222037 4033400444074 6050100666111 8066800888148 10083501110185 12100201332222 20167002220370 24200402664444 30250503330555 40334004440740 60501006661110 121002013322220