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21022022100103 is a prime number
BaseRepresentation
bin1001100011110100100100…
…01010001110010010000111
32202102200111212100112020221
410301322102022032102013
510223411100124200403
6112413214510405211
74266535206363253
oct461722212162207
982380455315227
1021022022100103
116775431483762
122436260800807
13b964a2b6b82b
14529685359263
15266c6eb43dbd
hex131e9228e487

21022022100103 has 2 divisors, whose sum is σ = 21022022100104. Its totient is φ = 21022022100102.

The previous prime is 21022022100089. The next prime is 21022022100133. The reversal of 21022022100103 is 30100122022012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21022022100103 - 225 = 21021988545671 is a prime.

It is a super-3 number, since 3×210220221001033 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21022022100133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511011050051 + 10511011050052.

It is an arithmetic number, because the mean of its divisors is an integer number (10511011050052).

Almost surely, 221022022100103 is an apocalyptic number.

21022022100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022022100103 is an equidigital number, since it uses as much as digits as its factorization.

21022022100103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21022022100103 its reverse (30100122022012), we get a palindrome (51122144122115).

The spelling of 21022022100103 in words is "twenty-one trillion, twenty-two billion, twenty-two million, one hundred thousand, one hundred three".