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201001011002087 is a prime number
BaseRepresentation
bin101101101100111100110001…
…110111000011101011100111
3222100200111202001102201012012
4231230330301313003223213
5202321200032304031322
61551254331213144435
760223562300406512
oct5554746167035347
9870614661381165
10201001011002087
115905506069705a
121a663413a8b11b
138820410b475ba
14378c70243dd79
15183876e45bae2
hexb6cf31dc3ae7

201001011002087 has 2 divisors, whose sum is σ = 201001011002088. Its totient is φ = 201001011002086.

The previous prime is 201001011002069. The next prime is 201001011002117. The reversal of 201001011002087 is 780200110100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201001011002087 - 226 = 201000943893223 is a prime.

It is a super-2 number, since 2×2010010110020872 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001011002027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500505501043 + 100500505501044.

It is an arithmetic number, because the mean of its divisors is an integer number (100500505501044).

Almost surely, 2201001011002087 is an apocalyptic number.

201001011002087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001011002087 is an equidigital number, since it uses as much as digits as its factorization.

201001011002087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 201001011002087 its reverse (780200110100102), we get a palindrome (981201121102189).

The spelling of 201001011002087 in words is "two hundred one trillion, one billion, eleven million, two thousand, eighty-seven".