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110222021 = 7313191301
BaseRepresentation
bin1101001000111…
…01101011000101
321200101212012002
412210131223011
5211204101041
614534235045
72505605000
oct644355305
9250355162
10110222021
1157243488
1230ab5a85
1319ab2440
14108d2537
159a2359b
hex691dac5

110222021 has 32 divisors (see below), whose sum is σ = 145824000. Its totient is φ = 82555200.

The previous prime is 110222009. The next prime is 110222023. The reversal of 110222021 is 120222011.

It is a happy number.

It is not a de Polignac number, because 110222021 - 214 = 110205637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110221993 and 110222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110222023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84071 + ... + 85371.

It is an arithmetic number, because the mean of its divisors is an integer number (4557000).

Almost surely, 2110222021 is an apocalyptic number.

It is an amenable number.

110222021 is a deficient number, since it is larger than the sum of its proper divisors (35601979).

110222021 is a wasteful number, since it uses less digits than its factorization.

110222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 110222021 is about 10498.6675821268. The cubic root of 110222021 is about 479.4641314388.

Adding to 110222021 its reverse (120222011), we get a palindrome (230444032).

The spelling of 110222021 in words is "one hundred ten million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 7 13 19 49 91 133 247 343 637 931 1301 1729 4459 6517 9107 12103 16913 24719 63749 84721 118391 173033 321347 446243 828737 1211231 2249429 5801159 8478617 15746003 110222021