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1210002220110 = 2351031393128109
BaseRepresentation
bin10001100110111001110…
…000001010010001001110
311021200020010122112112010
4101212321300022101032
5124311041032020420
62323511202522050
7153263661112425
oct21467160122116
94250203575463
101210002220110
11427182788102
1217660b366326
138a1448a1848
14427c8aa82bc
152171cd864e0
hex119b9c0a44e

1210002220110 has 64 divisors (see below), whose sum is σ = 2932514357760. Its totient is φ = 319500263040.

The previous prime is 1210002220103. The next prime is 1210002220169. The reversal of 1210002220110 is 110222000121.

It is a super-2 number, since 2×12100022201102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43032736 + ... + 43060844.

It is an arithmetic number, because the mean of its divisors is an integer number (45820536840).

Almost surely, 21210002220110 is an apocalyptic number.

1210002220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210002220110 is an abundant number, since it is smaller than the sum of its proper divisors (1722512137650).

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

1210002220110 is a wasteful number, since it uses less digits than its factorization.

1210002220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42153.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210002220110 its reverse (110222000121), we get a palindrome (1320224220231).

The spelling of 1210002220110 in words is "one trillion, two hundred ten billion, two million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 13931 27862 28109 41793 56218 69655 83586 84327 139310 140545 168654 208965 281090 417930 421635 843270 1434893 2869786 2895227 4304679 5790454 7174465 8609358 8685681 14348930 14476135 17371362 21523395 28952270 43046790 43428405 86856810 391586479 783172958 1174759437 1957932395 2349518874 3915864790 5873797185 11747594370 40333407337 80666814674 121000222011 201667036685 242000444022 403334073370 605001110055 1210002220110