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122220221100007 is a prime number
BaseRepresentation
bin11011110010100010011100…
…110111001110111111100111
3121000202010202100110212211211
4123302202130313032333213
5112004424003100200012
61111535110000212251
734513056005150452
oct3362423467167747
9530663670425754
10122220221100007
1135a41339599998
121185b12090a087
13532741841c134
1422276c13dc499
15e1e365e496a7
hex6f289cdcefe7

122220221100007 has 2 divisors, whose sum is σ = 122220221100008. Its totient is φ = 122220221100006.

The previous prime is 122220221099981. The next prime is 122220221100049. The reversal of 122220221100007 is 700001122022221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122220221100007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220221103007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110110550003 + 61110110550004.

It is an arithmetic number, because the mean of its divisors is an integer number (61110110550004).

Almost surely, 2122220221100007 is an apocalyptic number.

122220221100007 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220221100007 is an equidigital number, since it uses as much as digits as its factorization.

122220221100007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 122220221100007 its reverse (700001122022221), we get a palindrome (822221343122228).

The spelling of 122220221100007 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thousand, seven".