Search a number
-
+
101121211993097 is a prime number
BaseRepresentation
bin10110111111100000011101…
…111010111000110000001001
3111021001002112010111012020102
4112333200131322320300021
5101223232220232234342
6555022235442535145
730204523620632252
oct2677403572706011
9437032463435212
10101121211993097
112a2472a0a4457a
12b411b753674b5
1344568c672c10a
141ad8415533b29
15ba55dc5e5832
hex5bf81deb8c09

101121211993097 has 2 divisors, whose sum is σ = 101121211993098. Its totient is φ = 101121211993096.

The previous prime is 101121211993019. The next prime is 101121211993159. The reversal of 101121211993097 is 790399112121101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83025555290896 + 18095656702201 = 9111836^2 + 4253899^2 .

It is a cyclic number.

It is not a de Polignac number, because 101121211993097 - 224 = 101121195215881 is a prime.

It is not a weakly prime, because it can be changed into another prime (101121211999097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560605996548 + 50560605996549.

It is an arithmetic number, because the mean of its divisors is an integer number (50560605996549).

Almost surely, 2101121211993097 is an apocalyptic number.

It is an amenable number.

101121211993097 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121211993097 is an equidigital number, since it uses as much as digits as its factorization.

101121211993097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 47.

The spelling of 101121211993097 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, nine hundred ninety-three thousand, ninety-seven".