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1120010221 = 11101819111
BaseRepresentation
bin100001011000001…
…1111111111101101
32220001111102012001
41002300133333231
54243210311341
6303045412301
736516633631
oct10260377755
92801442161
101120010221
11525242290
1227310a091
1314b068955
14a8a6adc1
15684d9d31
hex42c1ffed

1120010221 has 4 divisors (see below), whose sum is σ = 1221829344. Its totient is φ = 1018191100.

The previous prime is 1120010197. The next prime is 1120010237. The reversal of 1120010221 is 1220100211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120010221 - 219 = 1119485933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120010198 and 1120010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120010251) 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, 50909545 + ... + 50909566.

It is an arithmetic number, because the mean of its divisors is an integer number (305457336).

Almost surely, 21120010221 is an apocalyptic number.

1120010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120010221 is a deficient number, since it is larger than the sum of its proper divisors (101819123).

1120010221 is a wasteful number, since it uses less digits than its factorization.

1120010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101819122.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1120010221 is about 33466.5537664098. The cubic root of 1120010221 is about 1038.5019794369.

Adding to 1120010221 its reverse (1220100211), we get a palindrome (2340110432).

The spelling of 1120010221 in words is "one billion, one hundred twenty million, ten thousand, two hundred twenty-one".

Divisors: 1 11 101819111 1120010221