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111210020212 = 22131212232863
BaseRepresentation
bin110011110010010100…
…0100011110101110100
3101122001102021101001111
41213210220203311310
53310224231121322
6123031132404404
711014613401114
oct1474450436564
9348042241044
10111210020212
1143189180215
1219678016704
13a6440bc1b5
14554dba1044
152d5d462177
hex19e4a23d74

111210020212 has 12 divisors (see below), whose sum is σ = 196103166336. Its totient is φ = 55180544120.

The previous prime is 111210020189. The next prime is 111210020213. The reversal of 111210020212 is 212020012111.

It is a junction number, because it is equal to n+sod(n) for n = 111210020192 and 111210020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106115908 + ... + 106116955.

It is an arithmetic number, because the mean of its divisors is an integer number (16341930528).

Almost surely, 2111210020212 is an apocalyptic number.

It is an amenable number.

111210020212 is a deficient number, since it is larger than the sum of its proper divisors (84893146124).

111210020212 is a wasteful number, since it uses less digits than its factorization.

111210020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212232998 (or 212232996 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111210020212 its reverse (212020012111), we get a palindrome (323230032323).

The spelling of 111210020212 in words is "one hundred eleven billion, two hundred ten million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 131 262 524 212232863 424465726 848931452 27802505053 55605010106 111210020212