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1101012222220 = 225193285236327
BaseRepresentation
bin10000000001011001011…
…100010100000100001100
310220020220102201222120121
4100001121130110010030
5121014333112102340
62201444212554324
7142355052321511
oct20013134240414
93806812658517
101101012222220
11394a33772589
121594729229a4
137ca95704631
143b409ab7308
151d98e79894a
hex1005971410c

1101012222220 has 24 divisors (see below), whose sum is σ = 2324105600544. Its totient is φ = 438122996736.

The previous prime is 1101012222173. The next prime is 1101012222227. The reversal of 1101012222220 is 222222101011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101012222194 and 1101012222203.

It is not an unprimeable number, because it can be changed into a prime (1101012222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142614304 + ... + 142622023.

It is an arithmetic number, because the mean of its divisors is an integer number (96837733356).

Almost surely, 21101012222220 is an apocalyptic number.

1101012222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101012222220 is an abundant number, since it is smaller than the sum of its proper divisors (1223093378324).

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

1101012222220 is a wasteful number, since it uses less digits than its factorization.

1101012222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285236529 (or 285236527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1101012222220 its reverse (222222101011), we get a palindrome (1323234323231).

The spelling of 1101012222220 in words is "one trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 285236327 570472654 1140945308 1426181635 2852363270 5704726540 55050611111 110101222222 220202444444 275253055555 550506111110 1101012222220