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101001220000220 = 22528117971747331
BaseRepresentation
bin10110111101110000101101…
…110101110000100111011100
3111020121121210200101101110002
4112331300231311300213130
5101214300444310001340
6554451153034033432
730163045246546241
oct2675605565604734
9436547720341402
10101001220000220
112a200416659311
12b3b2868278878
1344484b30b94b7
141ad26b12b35c8
15ba24181c2715
hex5bdc2dd709dc

101001220000220 has 24 divisors (see below), whose sum is σ = 212857375400208. Its totient is φ = 40256714019200.

The previous prime is 101001220000217. The next prime is 101001220000223. The reversal of 101001220000220 is 22000022100101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101001220000217) and next prime (101001220000223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001220000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8985868046 + ... + 8985879285.

It is an arithmetic number, because the mean of its divisors is an integer number (8869057308342).

Almost surely, 2101001220000220 is an apocalyptic number.

101001220000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001220000220 is an abundant number, since it is smaller than the sum of its proper divisors (111856155399988).

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

101001220000220 is a wasteful number, since it uses less digits than its factorization.

101001220000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971747621 (or 17971747619 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101001220000220 its reverse (22000022100101), we get a palindrome (123001242100321).

The spelling of 101001220000220 in words is "one hundred one trillion, one billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 17971747331 35943494662 71886989324 89858736655 179717473310 359434946620 5050061000011 10100122000022 20200244000044 25250305000055 50500610000110 101001220000220