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2111100110212 = 2225710181201709
BaseRepresentation
bin11110101110000111010…
…111110100010110000100
321110211010012022012211211
4132232013113310112010
5234042013112011322
64253454225541204
7305344012600642
oct36560727642604
97424105265754
102111100110212
11744348a80a95
122a118b1a4804
131240ca950162
147426bc00192
1539dab97db77
hex1eb875f4584

2111100110212 has 24 divisors (see below), whose sum is σ = 3709183063320. Its totient is φ = 1051334369280.

The previous prime is 2111100110209. The next prime is 2111100110237. The reversal of 2111100110212 is 2120110011112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 830839542016 + 1280260568196 = 911504^2 + 1131486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111100110192 and 2111100110201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10365214 + ... + 10566922.

It is an arithmetic number, because the mean of its divisors is an integer number (154549294305).

Almost surely, 22111100110212 is an apocalyptic number.

It is an amenable number.

2111100110212 is a deficient number, since it is larger than the sum of its proper divisors (1598082953108).

2111100110212 is a wasteful number, since it uses less digits than its factorization.

2111100110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212151 (or 212149 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111100110212 its reverse (2120110011112), we get a palindrome (4231210121324).

The spelling of 2111100110212 in words is "two trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 257 514 1028 10181 20362 40724 201709 403418 806836 2616517 5233034 10466068 51839213 103678426 207356852 2053599329 4107198658 8214397316 527775027553 1055550055106 2111100110212