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111021303222 = 23231198962909
BaseRepresentation
bin110011101100101100…
…0101010010110110110
3101121120021011120000100
41213121120222112312
53304332423200342
6123000311454530
711010132335604
oct1473130522666
9347507146010
10111021303222
11430a16a4365
1219624987446
13a613c8573b
145532ab8874
152d4bad5e4c
hex19d962a5b6

111021303222 has 24 divisors (see below), whose sum is σ = 248305711680. Its totient is φ = 35813323440.

The previous prime is 111021303187. The next prime is 111021303223. The reversal of 111021303222 is 222303120111.

It is a super-2 number, since 2×1110213032222 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111021303195 and 111021303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021303223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99480897 + ... + 99482012.

It is an arithmetic number, because the mean of its divisors is an integer number (10346071320).

Almost surely, 2111021303222 is an apocalyptic number.

111021303222 is an abundant number, since it is smaller than the sum of its proper divisors (137284408458).

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

111021303222 is a wasteful number, since it uses less digits than its factorization.

111021303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198962948 (or 198962945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111021303222 its reverse (222303120111), we get a palindrome (333324423333).

The spelling of 111021303222 in words is "one hundred eleven billion, twenty-one million, three hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 198962909 397925818 596888727 1193777454 1790666181 3581332362 6167850179 12335700358 18503550537 37007101074 55510651611 111021303222