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110021102221 = 1511609145281
BaseRepresentation
bin110011001110111000…
…1001100101010001101
3101111222120010002011211
41212131301030222031
53300310400232341
6122313142014421
710643265636652
oct1463561145215
9344876102154
10110021102221
1142729053568
12193a5a17411
13a4b49a7c24
145479d17c29
152cdddb5181
hex199dc4ca8d

110021102221 has 8 divisors (see below), whose sum is σ = 110759047488. Its totient is φ = 109283280000.

The previous prime is 110021102131. The next prime is 110021102237. The reversal of 110021102221 is 122201120011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-110021102221 is a prime.

It is a super-2 number, since 2×1100211022212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021112221) 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 7 ways as a sum of consecutive naturals, for example, 2407101 + ... + 2452381.

It is an arithmetic number, because the mean of its divisors is an integer number (13844880936).

Almost surely, 2110021102221 is an apocalyptic number.

It is an amenable number.

110021102221 is a deficient number, since it is larger than the sum of its proper divisors (737945267).

110021102221 is a wasteful number, since it uses less digits than its factorization.

110021102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61523.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110021102221 its reverse (122201120011), we get a palindrome (232222222232).

The spelling of 110021102221 in words is "one hundred ten billion, twenty-one million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 151 16091 45281 2429741 6837431 728616571 110021102221