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1110212021 = 31103934469
BaseRepresentation
bin100001000101100…
…0111110110110101
32212101001121120202
41002023013312311
54233203241041
6302055410245
736340434512
oct10213076665
92771047522
101110212021
1151a75a7a6
1226b983985
13149017bb9
14a763a309
1567701a9b
hex422c7db5

1110212021 has 8 divisors (see below), whose sum is σ = 1147161600. Its totient is φ = 1073333520.

The previous prime is 1110212011. The next prime is 1110212023. The reversal of 1110212021 is 1202120111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110212021 - 226 = 1043103157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110211993 and 1110212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110212023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14975 + ... + 49443.

It is an arithmetic number, because the mean of its divisors is an integer number (143395200).

Almost surely, 21110212021 is an apocalyptic number.

It is an amenable number.

1110212021 is a deficient number, since it is larger than the sum of its proper divisors (36949579).

1110212021 is a wasteful number, since it uses less digits than its factorization.

1110212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35539.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1110212021 is about 33319.8442523371. The cubic root of 1110212021 is about 1035.4647250623.

Adding to 1110212021 its reverse (1202120111), we get a palindrome (2312332132).

The spelling of 1110212021 in words is "one billion, one hundred ten million, two hundred twelve thousand, twenty-one".

Divisors: 1 31 1039 32209 34469 1068539 35813291 1110212021