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10001020121137 is a prime number
BaseRepresentation
bin1001000110001000101101…
…0000000111000000110001
31022102002101021202202221201
42101202023100013000301
52302324042122334022
633134223305451201
72051356413260353
oct221421320070061
938362337682851
1010001020121137
113206455150141
1211563214a0b01
135771275bbcb6
142680a27d70d3
1512523979b127
hex9188b407031

10001020121137 has 2 divisors, whose sum is σ = 10001020121138. Its totient is φ = 10001020121136.

The previous prime is 10001020121111. The next prime is 10001020121143. The reversal of 10001020121137 is 73112102010001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5433379183521 + 4567640937616 = 2330961^2 + 2137204^2 .

It is an emirp because it is prime and its reverse (73112102010001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001020121137 - 215 = 10001020088369 is a prime.

It is not a weakly prime, because it can be changed into another prime (10001020121737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000510060568 + 5000510060569.

It is an arithmetic number, because the mean of its divisors is an integer number (5000510060569).

Almost surely, 210001020121137 is an apocalyptic number.

It is an amenable number.

10001020121137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001020121137 is an equidigital number, since it uses as much as digits as its factorization.

10001020121137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 10001020121137 its reverse (73112102010001), we get a palindrome (83113122131138).

The spelling of 10001020121137 in words is "ten trillion, one billion, twenty million, one hundred twenty-one thousand, one hundred thirty-seven".