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120101201102220 = 2235133133714738767
BaseRepresentation
bin11011010011101100111101…
…011011011100010110001100
3120202020120012012111200200120
4123103230331123130112030
5111220214224440232340
61103233421411424540
734204011503311332
oct3323547533342614
9522216165450616
10120101201102220
11352a46a6a99178
12115785012b5150
135202657a28490
142192d01829b52
15dd41940474d0
hex6d3b3d6dc58c

120101201102220 has 192 divisors, whose sum is σ = 374942938546176. Its totient is φ = 28524818165760.

The previous prime is 120101201102161. The next prime is 120101201102221. The reversal of 120101201102220 is 22201102101021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120101201102220.

It is not an unprimeable number, because it can be changed into a prime (120101201102221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 779277 + ... + 15518043.

It is an arithmetic number, because the mean of its divisors is an integer number (1952827804928).

Almost surely, 2120101201102220 is an apocalyptic number.

120101201102220 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 120101201102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187471469273088).

120101201102220 is an abundant number, since it is smaller than the sum of its proper divisors (254841737443956).

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

120101201102220 is a wasteful number, since it uses less digits than its factorization.

120101201102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14739160 (or 14739158 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120101201102220 its reverse (22201102101021), we get a palindrome (142302303203241).

The spelling of 120101201102220 in words is "one hundred twenty trillion, one hundred one billion, two hundred one million, one hundred two thousand, two hundred twenty".