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10201022122 = 25100511061
BaseRepresentation
bin10011000000000011…
…10011111010101010
3222022221000121122011
421200001303322222
5131342430201442
64404123150134
7510535154164
oct114001637252
928287017564
1010201022122
1143652359a5
121b8837534a
13c67541a85
146cab2d934
153ea86a117
hex260073eaa

10201022122 has 4 divisors (see below), whose sum is σ = 15301533186. Its totient is φ = 5100511060.

The previous prime is 10201022093. The next prime is 10201022129. The reversal of 10201022122 is 22122010201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22122010201 = 34576399193.

It can be written as a sum of positive squares in only one way, i.e., 8416044121 + 1784978001 = 91739^2 + 42249^2 .

It is not an unprimeable number, because it can be changed into a prime (10201022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550255529 + ... + 2550255532.

Almost surely, 210201022122 is an apocalyptic number.

10201022122 is a deficient number, since it is larger than the sum of its proper divisors (5100511064).

10201022122 is an equidigital number, since it uses as much as digits as its factorization.

10201022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100511063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10201022122 its reverse (22122010201), we get a palindrome (32323032323).

The spelling of 10201022122 in words is "ten billion, two hundred one million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 5100511061 10201022122