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111222121324 = 22163716985663
BaseRepresentation
bin110011110010101011…
…0101110001101101100
3101122002021001011122211
41213211112232031230
53310240330340244
6123032244020204
711015121301246
oct1474526561554
9348067034584
10111222121324
1143194a95a36
1219680091664
13a646768212
145551631096
152d5e552934
hex19e55ae36c

111222121324 has 12 divisors (see below), whose sum is σ = 194757623424. Its totient is φ = 55577086064.

The previous prime is 111222121313. The next prime is 111222121349. The reversal of 111222121324 is 423121222111.

It is a junction number, because it is equal to n+sod(n) for n = 111222121295 and 111222121304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8486284 + ... + 8499379.

It is an arithmetic number, because the mean of its divisors is an integer number (16229801952).

Almost surely, 2111222121324 is an apocalyptic number.

It is an amenable number.

111222121324 is a deficient number, since it is larger than the sum of its proper divisors (83535502100).

111222121324 is a wasteful number, since it uses less digits than its factorization.

111222121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987304 (or 16987302 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 111222121324 its reverse (423121222111), we get a palindrome (534343343435).

The spelling of 111222121324 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 1637 3274 6548 16985663 33971326 67942652 27805530331 55611060662 111222121324