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2112222100110 = 235172243624233
BaseRepresentation
bin11110101111001010001…
…111110111101010001110
321110221000101112012122020
4132233022033313222032
5234101312324200420
64254201430031010
7305413555421343
oct36571217675216
97427011465566
102112222100110
11744874345671
122a1442aa8466
1312424922cbc5
1474336c247ca
1539e2520a340
hex1ebca3f7a8e

2112222100110 has 48 divisors (see below), whose sum is σ = 5385070068336. Its totient is φ = 530126328832.

The previous prime is 2112222100103. The next prime is 2112222100139. The reversal of 2112222100110 is 110012222112.

It is a super-2 number, since 2×21122221001102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112222100110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121803447 + ... + 121820786.

It is an arithmetic number, because the mean of its divisors is an integer number (112188959757).

Almost surely, 22112222100110 is an apocalyptic number.

2112222100110 is an abundant number, since it is smaller than the sum of its proper divisors (3272847968226).

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

2112222100110 is a wasteful number, since it uses less digits than its factorization.

2112222100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243624277 (or 243624260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112222100110 its reverse (110012222112), we get a palindrome (2222234322222).

The spelling of 2112222100110 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 289 510 578 867 1445 1734 2890 4335 8670 243624233 487248466 730872699 1218121165 1461745398 2436242330 3654363495 4141611961 7308726990 8283223922 12424835883 20708059805 24849671766 41416119610 62124179415 70407403337 124248358830 140814806674 211222210011 352037016685 422444420022 704074033370 1056111050055 2112222100110