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10110222121 = 291877185737
BaseRepresentation
bin10010110101001110…
…11011111100101001
3222002121011111110011
421122213123330221
5131201204101441
64351121051521
7505353320146
oct113247337451
928077144404
1010110222121
114318a5857a
121b61a86ba1
13c5179c96c
146bca553cd
153e28d1581
hex25a9dbf29

10110222121 has 8 divisors (see below), whose sum is σ = 10464478920. Its totient is φ = 9756340608.

The previous prime is 10110222119. The next prime is 10110222127. The reversal of 10110222121 is 12122201101.

It can be written as a sum of positive squares in 4 ways, for example, as 276723225 + 9833498896 = 16635^2 + 99164^2 .

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 10110222121 - 21 = 10110222119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110222127) 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, 38436 + ... + 147301.

It is an arithmetic number, because the mean of its divisors is an integer number (1308059865).

Almost surely, 210110222121 is an apocalyptic number.

It is an amenable number.

10110222121 is a deficient number, since it is larger than the sum of its proper divisors (354256799).

10110222121 is a wasteful number, since it uses less digits than its factorization.

10110222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187643.

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

Adding to 10110222121 its reverse (12122201101), we get a palindrome (22232423222).

The spelling of 10110222121 in words is "ten billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 29 1877 54433 185737 5386373 348628349 10110222121