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200221120102120 = 235134728185734019
BaseRepresentation
bin101101100001100110011100…
…101111010111111011101000
3222020220221201010010002120021
4231201212130233113323220
5202220410323221231440
61545500151320410224
760113333002214335
oct5541463457277350
9866827633102507
10200221120102120
11588843335a88a7
121a558240016974
138794a030543b0
143762a7aa7d98c
15182332678684a
hexb6199cbd7ee8

200221120102120 has 256 divisors, whose sum is σ = 497831631897600. Its totient is φ = 72011131207680.

The previous prime is 200221120102051. The next prime is 200221120102147. The reversal of 200221120102120 is 21201021122002.

It is a happy number.

It is a super-3 number, since 3×2002211201021203 (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200221120102094 and 200221120102103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5885550471 + ... + 5885584489.

It is an arithmetic number, because the mean of its divisors is an integer number (1944654812100).

Almost surely, 2200221120102120 is an apocalyptic number.

200221120102120 is a gapful number since it is divisible by the number (20) 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 200221120102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248915815948800).

200221120102120 is an abundant number, since it is smaller than the sum of its proper divisors (297610511795480).

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

200221120102120 is a wasteful number, since it uses less digits than its factorization.

200221120102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35228 (or 35224 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200221120102120 its reverse (21201021122002), we get a palindrome (221422141224122).

The spelling of 200221120102120 in words is "two hundred trillion, two hundred twenty-one billion, one hundred twenty million, one hundred two thousand, one hundred twenty".