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110120221 = 293797249
BaseRepresentation
bin1101001000001…
…00110100011101
321200012200112201
412210010310131
5211142321341
614532131501
72505002131
oct644046435
9250180481
10110120221
1157183a52
1230a66b91
1319a77cc3
14108a73c1
159a03331
hex6904d1d

110120221 has 4 divisors (see below), whose sum is σ = 113917500. Its totient is φ = 106322944.

The previous prime is 110120207. The next prime is 110120239. The reversal of 110120221 is 122021011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53494596 + 56625625 = 7314^2 + 7525^2 .

It is a cyclic number.

It is not a de Polignac number, because 110120221 - 27 = 110120093 is a prime.

It is a pancake number, because a pancake can be divided into 110120221 parts by 14840 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110120198 and 110120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898596 + ... + 1898653.

It is an arithmetic number, because the mean of its divisors is an integer number (28479375).

Almost surely, 2110120221 is an apocalyptic number.

It is an amenable number.

110120221 is a deficient number, since it is larger than the sum of its proper divisors (3797279).

110120221 is an equidigital number, since it uses as much as digits as its factorization.

110120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797278.

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

The square root of 110120221 is about 10493.8182278902. The cubic root of 110120221 is about 479.3164764829.

Adding to 110120221 its reverse (122021011), we get a palindrome (232141232).

The spelling of 110120221 in words is "one hundred ten million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 29 3797249 110120221