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1422021101 is a prime number
BaseRepresentation
bin101010011000010…
…0101000111101101
310200002210011020012
41110300211013231
510403014133401
6353034503005
750144660054
oct12460450755
93602704205
101422021101
1166a76a556
12338294a65
131987bbb07
14d6c0539b
1584c948bb
hex54c251ed

1422021101 has 2 divisors, whose sum is σ = 1422021102. Its totient is φ = 1422021100.

The previous prime is 1422021089. The next prime is 1422021103. The reversal of 1422021101 is 1011202241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239744100 + 182277001 = 35210^2 + 13501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422021101 - 218 = 1421758957 is a prime.

Together with 1422021103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422021103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711010550 + 711010551.

It is an arithmetic number, because the mean of its divisors is an integer number (711010551).

Almost surely, 21422021101 is an apocalyptic number.

It is an amenable number.

1422021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422021101 is an equidigital number, since it uses as much as digits as its factorization.

1422021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1422021101 is about 37709.6950531292. The cubic root of 1422021101 is about 1124.5238745049.

Adding to 1422021101 its reverse (1011202241), we get a palindrome (2433223342).

The spelling of 1422021101 in words is "one billion, four hundred twenty-two million, twenty-one thousand, one hundred one".