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2212111111112 = 237103383514409
BaseRepresentation
bin100000001100001100000…
…110001101001111001000
321211110211211022201121022
4200030030012031033020
5242220400421023422
64412121350132012
7315551114125640
oct40141406151710
97743754281538
102212111111112
11783173064021
122b887b651008
131307a7a4c086
14790d1233520
153c81e81e342
hex2030c18d3c8

2212111111112 has 32 divisors (see below), whose sum is σ = 4786259836800. Its totient is φ = 938843270784.

The previous prime is 2212111111097. The next prime is 2212111111127. The reversal of 2212111111112 is 2111111112122.

It is an interprime number because it is at equal distance from previous prime (2212111111097) and next prime (2212111111127).

It is a nude number because it is divisible by every one of its digits.

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, 191751437 + ... + 191762972.

It is an arithmetic number, because the mean of its divisors is an integer number (149570619900).

Almost surely, 22212111111112 is an apocalyptic number.

It is an amenable number.

2212111111112 is an abundant number, since it is smaller than the sum of its proper divisors (2574148725688).

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

2212111111112 is a wasteful number, since it uses less digits than its factorization.

2212111111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383514525 (or 383514521 counting only the distinct ones).

The product of its digits is 16, while the sum is 17.

Adding to 2212111111112 its reverse (2111111112122), we get a palindrome (4323222223234).

The spelling of 2212111111112 in words is "two trillion, two hundred twelve billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 103 206 412 721 824 1442 2884 5768 383514409 767028818 1534057636 2684600863 3068115272 5369201726 10738403452 21476806904 39501984127 79003968254 158007936508 276513888889 316015873016 553027777778 1106055555556 2212111111112