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11112020112 = 2432394332237
BaseRepresentation
bin10100101100101001…
…11111100010010000
31001200102020002221110
422112110333202100
5140224134120422
65034345053320
7542236420044
oct122624774220
931612202843
1011112020112
11479249a1a6
1221a1487240
1310811b933b
14775b10024
1545081a60c
hex29653f890

11112020112 has 80 divisors (see below), whose sum is σ = 28905649920. Its totient is φ = 3678345216.

The previous prime is 11112020089. The next prime is 11112020113. The reversal of 11112020112 is 21102021111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11112020113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4966258 + ... + 4968494.

It is an arithmetic number, because the mean of its divisors is an integer number (361320624).

Almost surely, 211112020112 is an apocalyptic number.

11112020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112020112 is an abundant number, since it is smaller than the sum of its proper divisors (17793629808).

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

11112020112 is a wasteful number, since it uses less digits than its factorization.

11112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2914 counting only the distinct ones).

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

Adding to 11112020112 its reverse (21102021111), we get a palindrome (32214041223).

Subtracting 11112020112 from its reverse (21102021111), we obtain a palindrome (9990000999).

The spelling of 11112020112 in words is "eleven billion, one hundred twelve million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 239 433 478 717 866 956 1299 1434 1732 1912 2237 2598 2868 3464 3824 4474 5196 5736 6711 6928 8948 10392 11472 13422 17896 20784 26844 35792 53688 103487 107376 206974 310461 413948 534643 620922 827896 968621 1069286 1241844 1603929 1655792 1937242 2138572 2483688 2905863 3207858 3874484 4277144 4967376 5811726 6415716 7748968 8554288 11623452 12831432 15497936 23246904 25662864 46493808 231500419 463000838 694501257 926001676 1389002514 1852003352 2778005028 3704006704 5556010056 11112020112