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2101220011110 = 2351137172090091
BaseRepresentation
bin11110100100111010011…
…110001110110001100110
321102212121122011011211110
4132210322132032301212
5233411244310323420
64245142005045450
7304544122255203
oct36447236166146
97385548134743
102101220011110
11740138a10330
1229b2923b6886
131231b4a5377c
14739b196ccaa
15399ce3a6ee0
hex1e93a78ec66

2101220011110 has 64 divisors (see below), whose sum is σ = 5650061900544. Its totient is φ = 495619459200.

The previous prime is 2101220011097. The next prime is 2101220011123. The reversal of 2101220011110 is 111100221012.

It is an interprime number because it is at equal distance from previous prime (2101220011097) and next prime (2101220011123).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86032836 + ... + 86057255.

It is an arithmetic number, because the mean of its divisors is an integer number (88282217196).

Almost surely, 22101220011110 is an apocalyptic number.

2101220011110 is an abundant number, since it is smaller than the sum of its proper divisors (3548841889434).

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

2101220011110 is a wasteful number, since it uses less digits than its factorization.

2101220011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172090149.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101220011110 its reverse (111100221012), we get a palindrome (2212320232122).

The spelling of 2101220011110 in words is "two trillion, one hundred one billion, two hundred twenty million, eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 37 55 66 74 110 111 165 185 222 330 370 407 555 814 1110 1221 2035 2442 4070 6105 12210 172090091 344180182 516270273 860450455 1032540546 1720900910 1892991001 2581351365 3785982002 5162702730 5678973003 6367333367 9464955005 11357946006 12734666734 18929910010 19102000101 28394865015 31836666835 38204000202 56789730030 63673333670 70040667037 95510000505 140081334074 191020001010 210122001111 350203335185 420244002222 700406670370 1050610005555 2101220011110