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11021021122087 is a prime number
BaseRepresentation
bin1010000001100000100000…
…0011001000111000100111
31110000121011220121022201201
42200120020003020320213
52421032022401401322
635234553123103331
72215146114602464
oct240301003107047
943017156538651
1011021021122087
113569a97119089
12129bb45811b47
1361c37c522c32
142a15c530666b
15141a36dc9d27
hexa06080c8e27

11021021122087 has 2 divisors, whose sum is σ = 11021021122088. Its totient is φ = 11021021122086.

The previous prime is 11021021122081. The next prime is 11021021122127. The reversal of 11021021122087 is 78022112012011.

It is a weak prime.

It is an emirp because it is prime and its reverse (78022112012011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11021021122087 - 215 = 11021021089319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021021122081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510510561043 + 5510510561044.

It is an arithmetic number, because the mean of its divisors is an integer number (5510510561044).

Almost surely, 211021021122087 is an apocalyptic number.

11021021122087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021021122087 is an equidigital number, since it uses as much as digits as its factorization.

11021021122087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 11021021122087 its reverse (78022112012011), we get a palindrome (89043133134098).

The spelling of 11021021122087 in words is "eleven trillion, twenty-one billion, twenty-one million, one hundred twenty-two thousand, eighty-seven".